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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1 / 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

2 / 100

Category: Chemistry Ch 15 Class 12

If CO2 level increase from the normal level, what will happen?

ETEA 2017
Chemistry
Environmental Chemistry
Elimination Tool:

A) Decrease in sea level

B) Increase in sea level

C) Longer winter season

D) Daytime will increase

3 / 100

Category: Chemistry Ch 10 Class 11

In the reaction 2Fe+Cl2 2FeCl3

NTS 2017
Chemistry
Electrochemistry
Elimination Tool:

A) Fe is reduced

B) Fe is oxidized

C) Cl2 oxidized

D) None of the above

4 / 100

Category: Chemistry Ch 6 Class 11

which type of hybridization doesn’t exist?

Sp4

Sp3

Sp2

5 / 100

Category: Chemistry

Q.137 SN reactions have which of the following specie formed and consumed in the reaction?

A. Transition state

B. Intemediate

C. Carbanion

D. Carbene

6 / 100

Category: Chemistry Ch 1 Class 12

Arrange the following according to increasing ionization energy: Li, Be, Na, Mg

NUMS 2019 Cancelled
Chemistry
Periodicity in Elements
Elimination Tool:

A) Li < Be < Na < Mg

B) Be < Li < Na < Mg

C) Mg < Na < Li < Br

D) Na < Li < Mg < Be

7 / 100

Category: Chemistry Ch 8 Class 11

The value K for H2(g) + CO2(g) H2O(g) + CO(g) is 1.80 at 1000 C. If 1.0 mole of each H2 and CO2 are placed in 1 litre flask, the final equilibrium concentration of CO at 1000 C will be:

NTS 2017
Chemistry
Chemical Equilibrium
Elimination Tool:

A) 0.295 M

B) 0.385 M

C) 0.531 M

D) 0.473 M

8 / 100

Category: Chemistry Ch 13 Class 12

Hydrolysis of acyl chloride results in the formation of:

PMC 2020
Chemistry
Carboxylic Acids and its Derivatives
Elimination Tool:

A) Acid anhydride

B) Carboxylic acid

C) Amides

D) Esters

9 / 100

Category: Chemistry

Which of the following is the most environmentally friendly source to derive energy?

NUMS Mock 1
Chemistry
Environmental Chemistry

A) Lead-acid accumulator

B) H2- O2fuel cell

C) Silver oxide battery

D) Alkaline battery

10 / 100

Category: Chemistry Ch 1 Class 11

If 9.8 g of sulfuric acid is dissolved in excess quantity of water, it will yield ____ moles of hydrogen ion (H+) and ____ mole of sulphate ions (SO4-2).

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

A) 0.1, 0.2

B) 0.1, 0.3

C) 0.2, 0.4

D) 0.2, 0.1

11 / 100

Category: Chemistry Ch 3 Class 12

Boric acid is used in

Washing wounds

Eye-wash

Detergents

Washing powder

12 / 100

Category: Chemistry Ch 5 Class 11

Which of the following statements is correct?

NTS 2011
Chemistry
Atomic Structure
Elimination Tool:

A) Faraday's experiment indicates the existence of electrons

B) Crookes tube experiment shows the presence of electrons and protons in the atoms

C) Radioactivity confirms the presence of electrons and protons

D) Chadwick experiment shows the presence of neutrons

E) All of these

13 / 100

Category: Chemistry Ch 14 Class 12

Teflon contains which of the following halide?

Chlorine

Bromine

Fluorine

All of these

14 / 100

Category: Chemistry Ch 7 Class 12

Which one of them is used as an automobile antifreeze

PMC Sample 1
Chemistry
Fundamental Principles of Organic Chemistry
Elimination Tool:

A) Ethanol

B) ethene

C) ethylene glycol

D) propene

15 / 100

Category: Chemistry Ch 13 Class 12

Which type of carboxylic acid is produced from the hydrolysis of nitriles?

PMC Practice 3
Chemistry
Carboxylic Acids and its Derivatives
Elimination Tool:

A) Beta-hydroxy carboxylic acids

B) Acids, having one carbon more than the starting material

C) Acids having one carbon less than the starting material

D) Alpha-hydroxy acids

16 / 100

Category: Chemistry Ch 13 Class 12

Which type of carboxylic acid is produced from the hydrolysis of nitriles?

PMC Sample 2
Chemistry
Carboxylic Acids and its Derivatives
Elimination Tool:

A) Beta-hydroxy carboxylic acids

B) Acids having one carbon more than the starting material

C) Acids having one carbon less than the starting material

D) Alpha-hydroxy acids

17 / 100

Category: Chemistry Ch 4 Class 11

Which one of the following has the highest lattice energy?

NUMS 2019 Reconduct
Chemistry
States of Matter – Gases, Liquids and Solids
Elimination Tool:

A) NaCl

B KCl

C) KBr

D) LiCl

18 / 100

Category: Chemistry

Q.149 There are just only a few stable compounds, formed by noble gases like

A. XeF2

B. XeOF2

C. Xe3

D. All of these

19 / 100

Category: Chemistry Ch 9 Class 12

Friedel craft’s reaction gives?

Benzene

Nitrobenzene

Toluene

Alkene

20 / 100

Category: Chemistry Ch 10 Class 11

which one of the following Is the oxidation number of Iodine in I2?

None

21 / 100

Category: Chemistry

Which of the following atoms would be diamagnetic?

22 / 100

Category: Chemistry Ch 4 Class 11

The rate of diffusion of hydrogen gas as compared to that of oxygen gas is:

PMC Sample 1
Chemistry
States of Matter – Gases, Liquids and Solids
Elimination Tool:

A) 6 times

B) 4 times

C) one fourth

D) one eighth

23 / 100

Category: Chemistry Ch 2 Class 12

Pierrie Curie and Marie Curie isolated which radioactive element?

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

A) Lithium

B) Radium

C) Boron

D) Uranium

24 / 100

Category: Chemistry

Q.92 Change in Pressure will only affect fhe.substances which are in

A. Liquid stale

B. Solid State

C.Plasma state

D. Gaseous State

25 / 100

Category: Chemistry Ch 9 Class 12

Acetylene polymerizes to make:

PMC Sample 3
Chemistry
Hydrocarbons
Elimination Tool:

A) Cyclohexane

B) Benzene

C) Hexane

D) Toluene

26 / 100

Category: Chemistry

Which one of the following alkaline earth metal carbonates is thermally the most stable?

NUMS Mock 3
Chemistry
s and p Block Elements

A) BaCO3

B) MgCO3

C) CaCO3

D) SrCO3

27 / 100

Category: Chemistry Ch 15 Class 12

Which of the following is not a macronutrient?

28 / 100

Category: Chemistry Ch 7 Class 12

Example of nucleophile is:

NUMS 2017
Chemistry
Fundamental Principles of Organic Chemistry
Elimination Tool:

A) BF3

B) SO3

C) AlCl3

D) CN

29 / 100

Category: Chemistry Ch 3 Class 11

An example of a solution not in equilibrium is:

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

A) chemical pH indicator

B) acid/base buffer

C) anhydrous solution

D) hypotonic solution

30 / 100

Category: Chemistry Ch 3 Class 12

Variable valency is generally exhibited by:

NUMS 2014
Chemistry
d and f Block Elements
Elimination Tool:

A) Normal elements

B) Transition elements

C) Metallic elements

D) None of them

31 / 100

Category: Chemistry Ch 2 Class 11

If we take 2.2 grams of CO2, 6.02 x 1021atoms of nitrogen. and 0.03-gram atoms of sulfur, then the molar ratio of C, N, and atoms will be:

NTS 2013
Chemistry
Stoichiometry
Elimination Tool:

A) 1:2:5

B) 5:1:2

C) 2:5:3

D) 5:1:3

32 / 100

Category: Chemistry Ch 1 Class 12

Which of following pair has highest conductivity?

Gold, Aluminium

Gold, Tungsten

Silver, Copper

Carbon, Gold

33 / 100

Category: Chemistry Ch 3 Class 12

In 3rd series of transition elements, paramagnetic behaviour is maximum for Mn +2 and :

PMC 2020
Chemistry
d and f Block Elements
Elimination Tool:

A) Cr3+

B) Ti3+

C) V3+

D) Zn2+

34 / 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

35 / 100

Category: Chemistry Ch 4 Class 12

Paramagnetic elements contain:

NTS 2019
Chemistry
d and f Block Elements
Elimination Tool:

A) All paired electrons

B) All unpaired electrons

C) Few unpaired electrons.

D) Unequal electrons and protons

36 / 100

Category: Chemistry Ch 5 Class 11

If uncertainty in the position of an electron is zero the uncertainty in its Momentum is?

NTS 2015 DUHS and JSMU
Chemistry
Atomic Structure
Elimination Tool:

B) Zero

C) 2 x pi x r

D) >h/4pi

E) Infinite

37 / 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

38 / 100

Category: Chemistry Ch 10 Class 11

What is the cell reaction of

Zn(s) | Zn2+(aq) 1M | Ni2+(aq) 1M | Ni(s)

Zn2+(aq) + 2e- -> Zn(s), Eo = -0.76 V

Ni2+(aq) + 2e- -> Ni(s), Eo = -0.25 V

NUMS 2019 Cancelled
Chemistry
Electrochemistry
Elimination Tool:

A) Ni2++ Zn -> Zn2++ Ni

B) Zn2++ Ni -> Ni2++ Zn

C) Zn2++ Ni2+-> Zn + Ni

D) Zn + Ni -> Zn2++ Ni2+

39 / 100

Category: Chemistry Ch 11 Class 12

The compound ‘leaf alcohol’ is partly responsible for the smell of new – mown grass

CH3CH2CH=CHCH2CH2OH

Leaf alcohol

Which two compounds will be formed when ‘leaf alcohol’ is oxidized using hot, concentrated manganate (VII) ions?

PreMedPK MDCAT Mock 2
Chemistry
Alcohols, Phenols and Ethers
Elimination Tool:

A) CH3CO2H and HOCH2CH2CH2CO2H

B) CH3CO2H and HO2CCH2CH2CO2H

C) CH3CH2CO2H and HO2CCH2CO2H

D) CH3CH2CO2H and HOCH2CH2CO2H

40 / 100

Category: Chemistry Ch 3 Class 11

What is the volume in cm3 of 3.01 x 10^23 molecules of O2 gas at S.T.P.?

NTS 2017
Chemistry
States of Matter – Gases, Liquids and Solids
Elimination Tool:

A) 1000 cm3

B) 11000 cm3

C) 1120 cm3

D) 11200 cm3

41 / 100

Category: Chemistry Ch 3 Class 11

Statement of Graham’s Law is

The rate of diffusion is directly proportional to the square root of its density

The rate of diffusion is inversely proportional to the square of its density

The rate of diffusion is inversely proportional to its density.

The rate of diffusion is inversely proportional to the square root of its density

42 / 100

Category: Chemistry Ch 13 Class 12

Which of the following carboxylic acids will be the most acidic?

NUMS 2016
Chemistry
Carboxylic Acids and its Derivatives
Elimination Tool:

A) CH3CHClCH2COOH

B) CH3CH2CCl2COOH

C) CH3CH2CHClCOOH

D) CH3CH2CH2COOH

43 / 100

Category: Chemistry Ch 8 Class 12

How many chain isomers are shown by C5H12?

NTS 2018
Chemistry
Hydrocarbons
Elimination Tool:

A) 5

B) 4

C) 3

D) 2

44 / 100

Category: Chemistry Ch 8 Class 11

45 / 100

Category: Chemistry Ch 1 Class 12

Aqua regia can dissolve noble metal due to the formation of

NTS 2016 SMBBMC
Chemistry
Periodicity in Elements
Elimination Tool:

A) Nitrous acid

B) Nitric oxide

C) Nitrosyl chloride

D) Nascent nitrogen

46 / 100

Category: Chemistry

What type of chemical reaction is this?
CH3CHO + NH3 -> CH3CH(OH)NH2

NUMS Mock 3
Chemistry
Aldehydes and Ketones

A) Addition – elimination

B) Electrophilic addition

C) Free radical addition

D) Nucleophilic addition

47 / 100

Category: Chemistry

Q.122 An orbital can accommodate at the most______________electrons

A.2

B.14

C. 1

D. 6

48 / 100

Category: Chemistry Ch 6 Class 11

H2O has a higher boiling point than HF because:

NTS 2015 DUHS and JSMU
Chemistry
Chemical Bonding
Elimination Tool:

A) H2O is more polar than HF

B) H2O can form more hydrogen bonds

C) H2O has higher molecular weight

D) H2O has more atoms

49 / 100

Category: Chemistry Ch 10 Class 12

Grignard’s reagent on hydrolysis give

) Lower hydrocarbon

Higher hydrocarbon

Alcohols

Alkyl halides

50 / 100

Category: Chemistry

Q.126 What is the coordination number of Pt in [PtCINO2)NH3)4]

A. 2

B. 4

C. 6

D. 7

51 / 100

Category: Chemistry Ch 10 Class 12

R-X on reaction with alcohols form:

PMC 2020
Chemistry
Alkyl Halides and Amines
Elimination Tool:

A) R-OH

B) ROR

C) R-X-OH

D) RH

52 / 100

Category: Chemistry Ch 8 Class 12

CH ≡ CH + 2AgNO3 -> AgC ≡ CAg + 2HNO3 represents _____ property of acetylene.

NTS 2012
Chemistry
Hydrocarbons
Elimination Tool:

A) basic

B) acidic

C) dehydrating

D) physical

53 / 100

Category: Chemistry Ch 3 Class 11

Which of the following substances has giant covalent structure?

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

A) Iodine crystal

B) Solid CO2

C) Silica

D) White phosphorus

54 / 100

Category: Chemistry Ch 9 Class 11

Colloidal particles can be separated by using:

ETEA 2017
Chemistry
Solution and Colloids
Elimination Tool:

A) Ordinary filter paper

B) Coarse filter paper

C) Fine Filter paper

D) Extremely fine filter paper

55 / 100

Category: Chemistry Ch 14 Class 12

Polymer having a characteristics odour and mostly used as an adhesive material is

Polyvinyl chloride

Poly styrenec

Ploride

Polyvinyl acetate

56 / 100

Category: Chemistry Ch 7 Class 11

One Calorie is equivalent to:

NTS 2019
Chemistry
Thermochemistry
Elimination Tool:

A) 0.4184J

B) 41.84 J

C) 4.184 J

D) 418.4 J

57 / 100

Category: Chemistry Ch 10 Class 12

Which alkyl halide has the lowest reactivity for a particular alkyl group?

NTS 2018
Chemistry
Alkyl Halides and Amines
Elimination Tool:

A) R-CI

B) R-F

C) R-Br

D) R-I

58 / 100

Category: Chemistry Ch 16 Class 12

The formula of “rock salt” is:

NTS 2012
Chemistry
Environmental Chemistry
Elimination Tool:

A) NaOH

B) NaHCO3

C) Na2CO3

E) NaCl

59 / 100

Category: Chemistry

Q.120 Cyanohydrin are formed from carbonyl compounds by __________ reactions mechanism

A. Free radical

B. Nucleophilic substitution

C. Nucleophilic addition

D. Electrophilic addition

60 / 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:

61 / 100

Category: Chemistry Ch 3 Class 12

If a person is injected by shot of a gun and all the bullets are not removed from his body, it may cause poisoning by:

NUMS 2017
Chemistry
d and f Block Elements
Elimination Tool:

A) Hg

B) Pb

C) Fe

D) As

62 / 100

Category: Chemistry Ch 4 Class 11

Structure of ice is similar to which of the following?

PMC Practice 6
Chemistry
States of Matter – Gases, Liquids and Solids
Elimination Tool:

A) Liquid water

B) Diamond

C) Graphite

D) Sucrose

63 / 100

Category: Chemistry Ch 2 Class 12

Aqueous solution of Na2CO3is:

NTS 2011
Chemistry
s and p Block Elements
Elimination Tool:

A) Acidic

B) Alkaline

C) Both Acidic and Alkaline

D) Neutral

64 / 100

Category: Chemistry Ch 13 Class 12

Amino acid is usually known by a

Common name

IUPAC name

Both a and b

None of these

65 / 100

Category: Chemistry Ch 9 Class 12

Which type of hybridization takes place in benzene?

Sp3

Sp2

Sp2 and Sp3

66 / 100

Category: Chemistry Ch 8 Class 11

A solution having pH = 0 is

Strongly basic

Weakly basic

Neutral

Strongly acidic

67 / 100

Category: Chemistry Ch 6 Class 12

Which of the following has the lowest boiling point?

Titanium

Chromium

Manganese

Vanadium

68 / 100

Category: Chemistry Ch 13 Class 12

Carboxylic acids can be prepared by action of and carbon dioxide

Sodium hydroxide

Grignard's reagent

Alcoholic KOH

Alkaline KMn0.

69 / 100

Category: Chemistry Ch 12 Class 12

In the addition of sodium bisulfite to carbonyl system, which of the following is a nucleophile?

PreMedPK MDCAT Mock 3
Chemistry
Aldehydes and Ketones
Elimination Tool:

A) Sulphide ion

B) Sulfite ion

C) Hydride ion

D) Sodium ion

70 / 100

Category: Chemistry

When two moles of H2 and one mole of O2 react to form H2O, 484 KJ heat is evolved. What is Δ Hf for one mole of H2O?

NUMS Mock 3
Chemistry
Thermochemistry

A) -484 KJmol-1

B) -242 KJmol-1

C) -121 KJmol-1

D) +242 KJmol-1

71 / 100

Category: Chemistry

Q.75 The increase in reaction rate of a reaction is 4 times when its temperature changes from

A. 2K to 4K B. 2K to 22K

B. 2K to 22K

C. 12K to 22K

D. 10K to 40K

72 / 100

Category: Chemistry

Q.176 Quantum number values for 2p orbítals are

A. n=2,l=1

B. n= 1.l=2

C. n =1,1l=0

D. n=2,l=2

73 / 100

Category: Chemistry

Which of the following gas, when ignited, burns with a blue flame and is not very soluble in water?

NUMS Mock 4
Chemistry
s and p Block Elements
Environmental Chemistry

A) O2

B) CO2

C) N2

D) He

74 / 100

Category: Chemistry Ch 5 Class 11

The maximum number of electrons that an orbital can accommodate is/are:

NTS 2010
Chemistry
Atomic Structure
Elimination Tool:

A) 0

B) 1

C) 2

D) 3

75 / 100

Category: Chemistry Ch 11 Class 11

A catalyst:

NTS 2016 DUHS & JSMU
Chemistry
Reaction Kinetics
Elimination Tool:

A) Increases the rate of forward reaction

B) Increases the rate of both forward and reverse reaction

C) Changes equilibrium position

D) Increases the rate of reverse reaction

76 / 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

77 / 100

Category: Chemistry Ch 1 Class 11

Avogadro’s constant is the number of:

PMC 2021 Tested
Chemistry
Introduction to Fundamental Concepts of Chemistry
Elimination Tool:

A) Electrons present in 2g of H

B) Atoms in 24g of Mg

C) Atoms in 1g of He

D) Molecules in 35.5g of Chlorine

78 / 100

Category: Chemistry Ch 15 Class 12

Enzymes that are functioning within the cell are called:

NUMS 2016
Chemistry
Chemistry of Life
Elimination Tool:

A) Endoenzymes

B) Exoenzymes

C) Holoenzymes

D) Both A & C

79 / 100

Category: Chemistry Ch 5 Class 11

Many elements have fractional atomic masses. This is because:

NUMS 2020
Chemistry
Atomic Structure
Elimination Tool:

A) Mass of atom is itself reactional

B) Atomic masses are average masses of isobars

C) Atomic masses are average masses of isotopes

D) Atomic masses are average masses of isotopes proportional to their abundance

80 / 100

Category: Chemistry Ch 10 Class 11

Definition of electrode potential is?

Tendency of metals to form ions when dissolved in 1M solution of its own solution

Tendency of ions to form atoms when dissolved in 1M solution of its metal

Both a and b

None of these

81 / 100

Category: Chemistry Ch 11 Class 12

Which is more soluble in ethanol?

chlorine

Calcium carbonate

Potassium chloride

Propane

82 / 100

Category: Chemistry Ch 10 Class 11

What is the oxidation state of Mn in K2MnO4?

83 / 100

Category: Chemistry Ch 9 Class 11

The pH of a solution can be kept constant by:

2022 PMC Test 2
Chemistry
Solution and Colloids
Elimination Tool:

A) saturated solution

B) super saturated solution

C) buffer solution

D) dilute solution

84 / 100

Category: Chemistry Ch 15 Class 12

Percentage of nitrogen in urea is:

85 / 100

Category: Chemistry Ch 1 Class 11

Which of the following molecule is expressed in empirical formula:

C6H12O6

C6H6

Na2S4O6

C2 H5

86 / 100

Category: Chemistry Ch 7 Class 12

Na, Ca & Mg are

Organic

Inorganic non-metals

) Inorganic metals

Organic metals

87 / 100

Category: Chemistry Ch 4 Class 12

Which statement is true for K2(Cu(CN)4) ?

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

A) Potassium tetra cyano cuprate

B) Coordination number is 2

C) The ligand is positively charged

D) Central atom is present in the anionic sphere

88 / 100

Category: Chemistry

The following changes to the system at equilibrium have no effect on Kc except:

NUMS Mock 4
Chemistry
Chemical Equilibrium

A) Increasing reactant concentrations

B) Equal number of reactant and product gas molecules

C) Increasing temperature

D) Using a catalyst

89 / 100

Category: Chemistry Ch 11 Class 12

Boiling point of Ethyl Alcohol is?

20.2 C

100 C

80.1 C

78.3 C

90 / 100

Category: Chemistry Ch 3 Class 11

Diamond and Graphite:

NTS 2013
Chemistry
States of Matter – Gases, Liquids and Solids
Elimination Tool:

A) are isotopes

B) are isomers

C) are allotropes

D) have the same structure

91 / 100

Category: Chemistry Ch 1 Class 11

Chemical equations do not tell about the ______ because of certain limitations.

PMC Practice 29
Chemistry
Introduction to Fundamental Concepts of Chemistry
Elimination Tool:

A) rate of reaction

B) pressure

C) conditions

D) Both A & C

92 / 100

Category: Chemistry Ch 12 Class 12

IUPAC Name of formaldehyde is

Ethanol

Methanal

c) Ethanol

Methyl alcohol

93 / 100

Category: Chemistry Ch 2 Class 11

The process of changing a solid directly into gas upon heating is known as:

Sublimation

Liquefaction

Condensation

None of these

94 / 100

Category: Chemistry Ch 4 Class 11

The unit cell parameters of the monoclinic system are:

NTS 2019
Chemistry
States of Matter – Gases, Liquids and Solids
Elimination Tool:

A) a = b ≠ c ; α=β=γ=90

B) a ≠ b ≠ c ;α=γ=90 ; β≠90

C) a ≠ b = c ;α=β=90; γ≠90

D) a = b = c ;α=β=γ=90

95 / 100

Category: Chemistry Ch 10 Class 11

Which of the following metals does NOT liberate hydrogen in reaction with acids?

NUMS 2019 Reconduct
Chemistry
Electrochemistry
Elimination Tool:

A) Mg

B) Pt

C) Zn

D) Ca

96 / 100

Category: Chemistry Ch 4 Class 11

Water boils when:

Vapor pressure becomes equal to Atmospheric Pressure

Vapor pressure is less than Atmospheric Pressure

Vapor pressure is greater than Atmospheric Pressure

All of the above

97 / 100

Category: Chemistry Ch 12 Class 12

Methyl ketones can be characterized by performing:

NUMS 2018
Chemistry
Aldehydes and Ketones
Elimination Tool:

A) Iodoform test

B) Schiff’s test

C) Benedict’s reagent test

D) Tollen’s test

98 / 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

99 / 100

Category: Chemistry Ch 4 Class 11

Covalent bond is stronger than hydrogen bond by:

10 times

20 times

30 times

50 times

100 / 100

Category: Chemistry Ch 13 Class 12

What is the product of both fermentation reactions and fractional distillation:

NTS 2010
Chemistry
Carboxylic Acids and its Derivatives
Elimination Tool:

A) An ester

B) An acid

C) An alcohol

D) A soap

Your score is

The average score is 51%

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Chemistry Practice Test 1

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