Chemistry Practice Tests 1

Chemistry Practice Test 1

Chemistry Practice Test 1 is designed to help students strengthen their understanding of key chemistry concepts, formulas, and reactions for competitive entry tests like MDCAT, NUMS, AKU, UET, ECAT, NTS, as well as FSC Board Exams. This test covers topics from physical chemistry, atomic structure, chemical bonding, and periodic table concepts, helping students improve accuracy and problem-solving skills.

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Chemistry Practice Test 1

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1 / 100

Category: Chemistry

Q.89 Iftwo substituents are present at 1,4 positions then the isomer is called As____________?

A. Ortho

B. Meta

C.Para

D.None of these

2 / 100

Category: Chemistry

Which one of the following enthalpy changes is always exothermic?

NUMS Mock 4
Chemistry
Thermochemistry

A) Enthalpy of combustion

B) Enthalpy of formation

C) Enthalpy of atomization

D) Enthalpy of solution

3 / 100

Category: Chemistry

Q.121 Ka (Cu(CN)4) which one is correct

A. Potassium tetra cyano recuperate

B. Coordination numbers 2

C The ligand is positively charged

D.Central atom is present in the avionic sphere

4 / 100

Category: Chemistry Ch 3 Class 11

When gases expand, this causes:

Cooling

Heating

Remain constant

None

5 / 100

Category: Chemistry Ch 2 Class 12

Which of the following is least polarizable?

NUMS 2014
Chemistry
s and p Block Elements
Elimination Tool:

A) Ne

B) He

C) X

D) Kr

6 / 100

Category: Chemistry Ch 2 Class 12

Which of the following is the correct order of electronegativity (from highest to lowest)?

NTS 2015 SMBBMC
Biology
s and p Block Elements
Chemical Bonding
Elimination Tool:

A) F , O, N , C

B) N, F , O, C

C) C, F, N, O

D) C, F, O, N

7 / 100

Category: Chemistry Ch 14 Class 12

Chloroform is used as the following except:

NUMS 2015
Chemistry
Macromolecules
Elimination Tool:

A) Precursor of making Teflon

B) Precursor of making refrigerants

C) Anaesthetic

D) Embalming chemicals

8 / 100

Category: Chemistry Ch 14 Class 12

In the NaCl crystal, chloride ions present at the face center are distributed in:

PMC Practice 2
Chemistry
Macromolecules
Elimination Tool:

A) One Unit Cell

B) 8 Unit Cells

C) 4 Unit Cells

D) 2 Unit Cells

9 / 100

Category: Chemistry Ch 16 Class 12

Earth’s crust Is Included In which sphere?

Lithosphere

Hydrosphere

Atmosphere

Aerosphere

10 / 100

Category: Chemistry Ch 14 Class 12

Nylon-6,6 is also called:

UHS 2018
Chemistry
Macromolecules
Elimination Tool:

A) Poly styrene

B) Polyester

C) Polyamide

D) Polyvinyl alcohol

11 / 100

Category: Chemistry Ch 7 Class 12

Which of the following compounds has the empirical formula, (CH2O) and reacts with sodium hydroxide?

NUMS 2019 Cancelled
Chemistry
Fundamental Principles of Organic Chemistry
Elimination Tool:

A) Carbonic acid

B) Ethanol

C) Acetic acid

D) Methanoic acid

12 / 100

Category: Chemistry

To avoid the formation of toxic compounds with chlorine, which substance is used for disinfecting water?

NUMS Mock 1
Chemistry
s and p Block Elements

A) KMnO4

B) Chloramines

C) O3

D) Alums

13 / 100

Category: Chemistry Ch 3 Class 11

The actual volume of gas molecules is considered negligible at following pressures:

PMC 2020
Chemistry
States of Matter – Gases, Liquids and Solids
Elimination Tool:

A) 2 atm

B) 4 atm

C) 6 atm

D) 8 atm

14 / 100

Category: Chemistry

Q.112 If uncertainty in momentum of electron is zero, the uncertainty in its position would be?

A. Less than zero

B. More than zero

C. One

D. Infinite

15 / 100

Category: Chemistry Ch 14 Class 12

Graphite has a structural similarity with:

PMC Practice 2
Chemistry
Macromolecules
Elimination Tool:

A) B2H6

B) B4C

C) B

D) BN

16 / 100

Category: Chemistry Ch 4 Class 12

Which of the following is typical transition element?

PMC Practice 4
Chemistry
d and f Block Elements
Elimination Tool:

A) Zn

B) Cd

C) Cu

D) Hg

17 / 100

Category: Chemistry Ch 1 Class 12

ZnH2 is an example of?

NTS 2015 SMBBMC
Chemistry
Periodicity in Elements
Elimination Tool:

A) Metallic hydrides

B) Complex hydrides

C) Polymeric hydrides

D) Borderline hydrides

18 / 100

Category: Chemistry

Reaction of water with quicklime results in the rise in the temperature of the system. Using the concept of an energy change, indicates the nature of the reaction?

NUMS Mock 1
Chemistry
Thermochemistry

A) Endothermic Reaction

B) Non spontaneous Reaction

C) Third Order Reaction

D) Exothermic Reaction

19 / 100

Category: Chemistry Ch 6 Class 11

How many bonds are there in CO?

20 / 100

Category: Chemistry Ch 8 Class 11

If the ratio of initial concentration of the reagents is greater than the Kc then:

NTS 2011
Chemistry
Chemical Equilibrium
Elimination Tool:

A) The reaction will shift towards the reverse direction

B) More quantity of products is obtained

C) The ratio increases to the value of Kc

D) Equilibrium has been attained

21 / 100

Category: Chemistry Ch 10 Class 11

Which of the following is a balanced redox equation?

NUMS 2020
Chemistry
Electrochemistry
Elimination Tool:

A) Na + Fe 3+ -> Na + + Fe

B) Zn + Ag + -> Zn 2+ + Ag

C) 3Na + Fe3+ -> 3Na+ + Fe

D) 2Zn + Ag+ -> 2Zn2+ + Ag

22 / 100

Category: Chemistry Ch 14 Class 12

Which of following Is poison for catalyst:

Sulphur

Arsenic

Al203

Both a and b

23 / 100

Category: Chemistry Ch 3 Class 11

Excluded volume is not equal to the actual volume of gas molecules and is represented by:

24 / 100

Category: Chemistry Ch 4 Class 12

Which of the following has allotropic forms:

Oxygen

Sulphur

Both

None of these

25 / 100

Category: Chemistry Ch 14 Class 12

A polymer called Bakelite is formed by the reaction of phenol with:

PMC Practice 2
Chemistry
Macromolecules
Elimination Tool:

A) Hydrogen

B) Ethers

C) Carboxylic acid

D) Formaldehyde

26 / 100

Category: Chemistry Ch 7 Class 11

The enthalpy change accompanying the gain of an electron by a neutral gaseous atom to form a negative ion is called:

NTS 2010
Chemistry
Thermochemistry
Elimination Tool:

A) Ionization potential

B) Electronegativity

C) Electron affinity

D) Lattice energy

27 / 100

Category: Chemistry Ch 10 Class 12

Reaction by Grignard reagent are mostly

Exothermic

Endothermic

Room temperature

Is highly reactive by both endothermic and exothermic

28 / 100

Category: Chemistry Ch 9 Class 12

The unhybridized p orbitals of benzene are present in the form of _________.

PMC Practice 2
Chemistry
Hydrocarbons
Elimination Tool:

A) Between the C-C bonds of benzene

B) Above and below the carbon bonds

C) In the form of a cloud above and below the benzene ring

D) None of these options is correct

29 / 100

Category: Chemistry

Q.163 Which will need maximum energy to remove its one electron?

A. Na————– Na- +e

B. Ca——————-Ca– +e

C.K————K++ +e

D. C2+————– C3+ +e

30 / 100

Category: Chemistry Ch 5 Class 11

Maximum ____ electrons can be placed in one orbital:

NUMS 2020
Chemistry
Atomic Structure
Elimination Tool:

A) 1

B) 2

C) 3

D) 4

31 / 100

Category: Chemistry Ch 5 Class 11

If an electron of hydrogen atom jumps from 5th orbit to 7’h orbit, its atomic radius increases

97%

98%

50%

None of these

32 / 100

Category: Chemistry Ch 13 Class 12

Chemical formula of Malonic acid:

C3H8O4

C2H204

C6H12O6

C3H4O4

33 / 100

Category: Chemistry

Q.73 Unit for rate constant is s–1 for a reaction. Its order is

34 / 100

Category: Chemistry Ch 15 Class 12

Which one of the following pollutants can cause death of a person by binding with
haemoglobin of red blood cells?

UHS 2014
Chemistry
Environmental Chemistry
Elimination Tool:

A) Chlorofluorocarbons

B) Oxides of Sulphur

C) Carbon monoxide

D) Oxides of nitrogen

35 / 100

Category: Chemistry Ch 7 Class 11

If pressure and volume of a gas are variable while temperature remains constant, this belongs to

PMC Sample 2
Chemistry
Thermochemistry
Elimination Tool:

A) Charles's law

B) Boyle's law

C) Avogadro's law

D) Pascal's law

36 / 100

Category: Chemistry Ch 14 Class 12

Which one of the following is the pure carbon compound and used as a reducing agent in industries?

NTS 2018
Chemistry
Macromolecules
Elimination Tool:

A) Coal tar

B) Petroleum

C) Coal gas

D) Coke

37 / 100

Category: Chemistry Ch 14 Class 12

……is a technique to separate impurities from chemical products:

NUMS 2014
Chemistry
Macromolecules
Elimination Tool:

A) Lands Berger's method

B) Fractional crystallization

C) Beckmann method

D) None

38 / 100

Category: Chemistry Ch 14 Class 12

Which one of the following compounds is an additional polymer?

UHS 2019
Chemistry
Macromolecules
Elimination Tool:

A) Polyvinyl chloride

B) Nylon

C) Carbohydrate

D) Polyester

39 / 100

Category: Chemistry Ch 4 Class 11

Which of the following is not a property of liquid?

Random movement of molecule

Molecules have the same position with respect to one another

Takes shape of the container

Are less common than solids and gases

40 / 100

Category: Chemistry Ch 4 Class 11

Hybridization in diamond is

sp2

sp3

dsp2

41 / 100

Category: Chemistry Ch 4 Class 12

Which member of 5A group has no stable isotope?

Phosphorous

Bismuth

Nitrogen

Arsenic

42 / 100

Category: Chemistry

The stability in the following structure is due to the:

NUMS Mock 4
Chemistry
Chemical Bonding

A) Weak van der Waal’s forces

B) Disulfide bridges

C) Presence of unpaired electron in the structure

D) Hydrogen bonding between NH group of one peptide and CO group of another peptide

43 / 100

Category: Chemistry Ch 3 Class 11

A sample of gas weighs 1.25 g, at 28 C occupying a volume of 2.50 x 10-2 ml and its pressure is 715 torr. What is the molar mass in grams?

NTS 2016 DUHS & JSMU
Chemistry
States of Matter – Gases, Liquids and Solids
Elimination Tool:

A) 131.1

B) 1.311

C) 1.212

D) 122.1

44 / 100

Category: Chemistry Ch 7 Class 11

Value of heat capacity of water is

4.51 J/g

4.18 J/g

4.921J/g

4.21J/g

45 / 100

Category: Chemistry Ch 11 Class 12

Phenol has all characters except?

Can be reduced to benzene

Insoluble in water

Acidic in nature

Used as a disinfectant

46 / 100

Category: Chemistry Ch 11 Class 11

75% of a first order reaction is completed in 36 minutes. What is the half life of the reaction?

NUMS 2017
Chemistry
Reaction Kinetics
Elimination Tool:

A) 27 min

B) 24 min

C) 18 min

D) 42 min

47 / 100

Category: Chemistry Ch 10 Class 11

In Lead-Acid battery, product formed at anode during discharging is

PbSO4

SO2

SO4

48 / 100

Category: Chemistry Ch 7 Class 12

The number of isomers of C3H7-Cl are _______

NUMS 2017
Chemistry
Fundamental Principles of Organic Chemistry
Elimination Tool:

A) 2

B) 3

C) 4

D) 6

49 / 100

Category: Chemistry Ch 9 Class 12

Which of the following Is formula of Benzyl Alcohol?

C6H5CHO

C6H5CH202CC6H5

C6H5CH2OH

C5H5N

50 / 100

Category: Chemistry Ch 8 Class 11

If 4.6 gm of ethyl alcohol and 6.0 gm of acetic acid is kept at a constant temperature until equilibrium was established, 2.0 gm of unused acetic acid were present. What is the Kc?

NTS 2016 SMBBMC
Chemistry
Chemical Equilibrium
Elimination Tool:

A) 2.0

B) 3.0

C) 4.0

D) 5.0

51 / 100

Category: Chemistry Ch 1 Class 11

Spectrometry is used when reactants and products absorb _____.

PMC Practice 7
Chemistry
Introduction to Fundamental Concepts of Chemistry
Elimination Tool:

A) Ultraviolet radiations

B) Visible radiation

C) Infrared radiation

D) All of these

52 / 100

Category: Chemistry

Q.2 an element or its compound is first _________to get its _______spectrum by spectrometer

A. freeze, continuous

B. A freezed. line

C. volatilized., line

D. volatilized. continuous

53 / 100

Category: Chemistry Ch 10 Class 11

The E.M.F of a Cell is equals to

PMC Sample 1
Chemistry
Electrochemistry
Elimination Tool:

A) Emf(oxidation) – Emf(Reduction)

B) Emf(oxidation) + Emf(Reduction)

C) Emf(oxidation) x Emf(Reduction)

D) None of these

54 / 100

Category: Chemistry

Which one of the following is used as an anesthetic?

Acetone

Halothane

Methyl alcohol

Ethyl alcohol

55 / 100

Category: Chemistry Ch 1 Class 12

Who started the development of the First Periodic Table?

) Antoine Bequerel

Dimitri Mendeleev

Robert Boyle

John Newlands

56 / 100

Category: Chemistry Ch 16 Class 12

What is the major reason for S02 emissions?

Agriculture

Volcanic eruptions

Fuel combustion

All of the above

57 / 100

Category: Chemistry

The value of surface tension of isopropyl alcohol is?

NUMS Mock 2
Chemistry
Chemical Bonding

A) Less than water

B) Less than ethylene glycol

C) less than methyl alcohol

D) same as ethyl alcohol

58 / 100

Category: Chemistry Ch 5 Class 12

Oxides of xenon are formed from:

XeF6

XeF4

XeF2

All of these

59 / 100

Category: Chemistry Ch 13 Class 12

Which of the following is not an aromatic compound)

Picric

Phthalic acid

Tartaric acid

Salicylic acid

60 / 100

Category: Chemistry

Q.174 The alcohols which are resistant to oxidation reactions are

A. Primary alcohols

B. Secondary alcohol

C. Tertiary alcohol

D. All of above

61 / 100

Category: Chemistry Ch 7 Class 12

IUPAC name of Divinyl acetylene is:

NUMS 2019 Reconduct
Chemistry
Fundamental Principles of Organic Chemistry
Elimination Tool:

A) 1, 5 – Hexadiyne – 3 – ene

B) 1, 5 – Hexadiene 3 – yne

C) 3 – Hexene – 1,5 – diyne

D) 3 – Hexyne – 1 , 5 – diene

62 / 100

Category: Chemistry Ch 5 Class 12

The halogens are known as:

Salt formers

Rare earth elements

Alkali metals

Noble gases

63 / 100

Category: Chemistry

Q.90 Which of the following propefties belong to acetic acid?

A. Colourless liquid, odourless, sour taste

B. Bright colour bituer taste

C.Colourless solid, sour taste, pungent smell

D. All are incórreet

64 / 100

Category: Chemistry Ch 6 Class 11

Bond energy:

I. is the energy required to break a bond between two atoms in a diatomic molecule

II. Is taken as the energy released in forming a bond form free atoms

III. Is the measure of the strength of bond

NTS 2011
Chemistry
Chemical Bonding
Elimination Tool:

B) I and II only

C) I and IIII only

D) II only

E) I, II and III

65 / 100

Category: Chemistry Ch 10 Class 11

Standard reduction potential of F2, Br2 is:

+2.87, +1.08

+0.332, +2.87

-0.78, -1.66

None of the:

66 / 100

Category: Chemistry

Which enthalpy change is relevant in the following process

Na(s) -> Na (g) ΔH = +107

NUMS Mock 2
Chemistry
Thermochemistry

A) Enthalpy of atomization

B) Enthalpy of fusion

C) Enthalpy of vaporization

D) Enthalpy of formation

67 / 100

Category: Chemistry Ch 1 Class 11

The number of neutrons in H2SO4 are ____.

PMC Practice 26
Chemistry
Introduction to Fundamental Concepts of Chemistry
Elimination Tool:

A) 5

B) 49

C) 48

D) 44

68 / 100

Category: Chemistry Ch 6 Class 11

The first ionization energy is maximum for:

PMC 2020
Chemistry
Chemical Bonding
Elimination Tool:

A) Na

B) Mg

C) Al

D) K

69 / 100

Category: Chemistry Ch 4 Class 12

Both 02 and 03 are Oxidizing agents but 02 is preferred because:

It is relatively unstable than 02

It provides an extra oxygen atom then 02

It provides Nascent Oxygen

All of above

70 / 100

Category: Chemistry

Q.105 Free radical substitution reactions are preferably followed by

A. Alkene

B. Alkyne

C. Alkane

D. Benzene

71 / 100

Category: Chemistry Ch 6 Class 11

Which of the following ions will show maximum hydration?

NTS 2016 SMBBMC
Chemistry
Chemical Bonding
Elimination Tool:

A) Mg+2

B) Na+1

C) Al+3

D) Ca+2

72 / 100

Category: Chemistry Ch 15 Class 12

About 80% of ammonia is used for the production of

UHS 2015
Chemistry
Environmental Chemistry
Elimination Tool:

A) Explosives

B) Fertilizers

C) Nylon

D) Polymers

73 / 100

Category: Chemistry Ch 3 Class 11

If the matter in a given system at a given condition is divided into two equal parts, then the value of the extensive properties will become:

NTS 2011
Chemistry
States of Matter – Gases, Liquids and Solids
Elimination Tool:

A) Double of the original value

B) Half of the original value

C) Remain the same as the original value

D) One-fourth of the original value

74 / 100

Category: Chemistry

Which is the correct electronic configuration of Chromium (24Cr)?

NUMS Mock 2
Chemistry
d and f Block Elements

A) 1s2, 2s2, 3s2, 2p6, 3p6, 4s2, 3d6

B) 1s2, 2s2, 2p6, 3s2, 3p6, 4s2, 3d4

C) 1s1, 2s2, 2p6, 3s2, 3p6, 3d6

D) 1s2, 2s2, 2p6, 3s2, 3p6, 4s1, 3d5

75 / 100

Category: Chemistry Ch 1 Class 12

What is a complex/coordination compound?

PMC Sample 1
Chemistry
Periodicity in Elements
Elimination Tool:

A) A compound in which a metal atom or ion is covalently bonded with a group of neutral molecules or anions.

B) A compound that contains 2 or more than 2 different elements

C) A compound which has complex molecular geometry

D) A compound that contains a complex ion and can exist independently

76 / 100

Category: Chemistry Ch 5 Class 11

Mass of electron in a.m.u is:

NUMS 2020
Chemistry
Atomic Structure
Elimination Tool:

A) 1.0073

B) 1.0087

C) 5.485 x 10-4

D) 9.1 x 10-31

77 / 100

Category: Chemistry Ch 9 Class 11

From a mixture of CO2and H2gases, CO2can be separated by passing the mixture through:

NTS 2013
Chemistry
Solution and Colloids
Elimination Tool:

A) Water at high temperature

B) Water under high pressure

C) Cold water

D) Acidified water

78 / 100

Category: Chemistry Ch 9 Class 11

The solubility product for BaSO4 , at 18-25°C is:

NTS 2015 DUHS and JSMU
Chemistry
Solution and Colloids
Elimination Tool:

A) 1.0 x 10-10mol2dm-6

B) 8.7 x 10-36mol2dm-6

C) 1.8 x 10-21mol2dm-6

D) 8.4 x 10-28mol2dm-6

79 / 100

Category: Chemistry

All of the following substances can act as Lewis acids except:

NUMS Mock 3
Chemistry
Acids, Bases and Salts

A) BF3

B) H+

C) AlCl3

D) H2O

80 / 100

Category: Chemistry Ch 9 Class 12

Boiling point of benzene is:

70.3

80.1

133

79.41

81 / 100

Category: Chemistry

Q.133 Metals look shiny as light falls on metal surface collide with mobile electrons and make them these electron gives light when

A. Neutral. Excited

B. Excited, de-excited

C. De-excited, excited

D. None of these

82 / 100

Category: Chemistry Ch 8 Class 12

How many chain isomers are shown by C5H12?

PreMedPK MDCAT Mock 4
Chemistry
Hydrocarbons
Elimination Tool:

A) 5

B) 4

C) 3

D) 2

83 / 100

Category: Chemistry Ch 6 Class 11

If the difference between electronegativity values between two atoms is less than 1.7 , the bond is necessarily:

NTS 2016 DUHS & JSMU
Chemistry
Chemical Bonding
Elimination Tool:

A) Ionic

B) Covalent

C) Electrovalent

D) Polar

84 / 100

Category: Chemistry Ch 8 Class 11

Precipitation occurs when the product of ionic concentrations is:

NUMS 2019 Reconduct
Chemistry
Chemical Equilibrium
Elimination Tool:

A) Greater than Ksp

B) Less than Ksp

C) Equal to Ksp

D) Equal to unity

85 / 100

Category: Chemistry Ch 2 Class 11

Which of the following is the safest way to dry crystals during crystallization?

Pressing between folds of paper

Boiling

Cooling

Vacuum desiccator

86 / 100

Category: Chemistry Ch 15 Class 12

In the production of wrought iron Mg, Si, and P are removed in the form of:

PMC Practice 3
Chemistry
Industrial Chemistry
Elimination Tool:

A) Oxides

B) Silicates

C) Slag

D) Carbonates

87 / 100

Category: Chemistry Ch 9 Class 12

What is the color of silver acetylide, AgC=CAg?

PMC Practice 2
Chemistry
Hydrocarbons
Elimination Tool:

A) Red

B) White

C) Brown

D) Pinkish

88 / 100

Category: Chemistry Ch 7 Class 12

Which functional group is not a double bond?

NUMS 2019 Cancelled
Chemistry
Fundamental Principles of Organic Chemistry
Elimination Tool:

A) Ethers

B) Aldehydes

C) Ketones

D) Esters

89 / 100

Category: Chemistry Ch 10 Class 12

(NI13) is a:

Nucleophile

Neutrophile

Electrophile

Electrolyte

90 / 100

Category: Chemistry Ch 1 Class 11

Which of the following has six isotopes?

PMC Practice 27
Chemistry
Introduction to Fundamental Concepts of Chemistry
Elimination Tool:

A) Cadmium

B) Tin

C) Palladium

D) Carbon

91 / 100

Category: Chemistry Ch 11 Class 12

Propane-1 of when combines with FICI In the presence of ZnCl2, It gives:

1- Clifiropropane

2- Chloropropane

Dichloropropane

1-Cholropropene

92 / 100

Category: Chemistry Ch 15 Class 12

The gas which is mainly produced in landfills from the waste is:

UHS 2016
Chemistry
Environmental Chemistry
Elimination Tool:

A) CH4

B) CO2

C) SO2

D) Cl2

93 / 100

Category: Chemistry Ch 2 Class 12

Sodium reacts with water more vigorously than lithium because it:

NTS 2010
Chemistry
s and p Block Elements
Elimination Tool:

A) Has a higher atomic weight

B) Is more electronegative

C) Is more electropositive

D) Is a metal

94 / 100

Category: Chemistry Ch 10 Class 11

Oxidation number of particular element can be directly or indirectly inferred from its:

UHS 2019
Chemistry
Electrochemistry
Elimination Tool:

A) Group number

B) Atomic size

C) Atomic mass

D) Physical state

95 / 100

Category: Chemistry Ch 11 Class 12

Which of the following is not soluble In alcohol?

Resins and varnishes

Soaps and varnishes

Rubbers and plastics

Dyes and drug'

96 / 100

Category: Chemistry

Which of the following is locating agent?

NUMS Mock 1
Chemistry
Analytical Chemistry

A) H2S

B) CS2

C) Rubeanic acid

D) Ninhydrin

97 / 100

Category: Chemistry Ch 5 Class 11

Which of the following does not have an inert gas configuration?

NUMS 2015
Chemistry
Atomic Structure
Elimination Tool:

A) Na+

B) Cu+

C) K+

D) S2-

98 / 100

Category: Chemistry

Q.169 The oxidation number of Nickel in [Ni(CO)A] is

A. 2

B. 8

C.6

D.4

99 / 100

Category: Chemistry

Q.144 Carboxylic acids form dimer due to

A. Small Sizes

B. Polarity of C-O bond

C.H-bonding

D. Dipole-Dipole interactions

100 / 100

Category: Chemistry Ch 2 Class 12

Metals belonging to the same group in the periodic table are

NUMS 2014
Chemistry
s and p Block Elements
Elimination Tool:

A) Magnesium and Na

B) Magnesium and Copper

C) Magnesium and Barium

D) Magnesium and Potassium

Your score is

The average score is 51%

Structured Practice for Best Entry Test Preparation

This topic-wise and chapter-wise practice test allows students to focus on individual chemistry concepts, numerical problems, reactions, and practical exercises. Regular practice enhances understanding, sharpens problem-solving abilities, and builds confidence to tackle both board and competitive exam questions efficiently.

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Students can access free Chemistry Practice Test 1 to systematically improve knowledge, calculation skills, and problem-solving abilities. This test is suitable for FSC Board Exams as well as major entry tests, helping students perform better in the chemistry section. PLS Academy provides these resources to support students in their preparation.

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Chemistry Practice Test 1

PLS Academy

Structured Practice for Best Entry Test Preparation

Free Resources for Best Entry Test Preparation

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