Chemistry Practice Tests 3 - PLS Academy

Chemistry Practice Test 3

Chemistry Practice Test 3 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 organic chemistry, functional groups, hydrocarbons, and reactions of organic compounds, helping students improve accuracy and problem-solving skills.

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Chemistry Practice Test 3

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1 / 100

Category: Chemistry

Q.94 Which of the foloving is a strong acia?

A. Ethane

B. Ethyl Chloride

C. Ethanol

D. Pheno

2 / 100

Category: Chemistry Ch 4 Class 12

H2SO4 is used in industries of?

Paint

Textile

Rubber

Aluminum

3 / 100

Category: Chemistry Ch 9 Class 12

Which of the following statements is incorrect about benzene?

All of the carbon atoms are sp hybridized.

The carbon-carbon bond lengths are all the same.

It has delocalized electrons.

The carbon-hydrogen bond lengths are all the same.

4 / 100

Category: Chemistry Ch 2 Class 12

Which one of these reacts rapidly with water at room temperature?

5 / 100

Category: Chemistry Ch 14 Class 12

Industrially water gas is converted into methanol by using catalyst:

NUMS 2019 Reconduct
Chemistry
Macromolecules
Elimination Tool:

A) CuO + ZnO

B) CuO + Cr2O3

C) Al2O3+ ZnO

D) ZnO + Cr2O3

6 / 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

7 / 100

Category: Chemistry Ch 15 Class 12

Bacteria plays an important role in:

PMC 2021 Tested
Chemistry
Environmental Chemistry
Elimination Tool:

A) Phosphorus Cycle

B) Nitrogen Cycle

C) Carbon Cycle

D) All of these

8 / 100

Category: Chemistry Ch 3 Class 12

Scandium, Sc, is the first of the 3d blocks of elements in the Periodic table.

Which properties of Sc approve the above fact?

NUMS 2019 Cancelled
Chemistry
d and f Block Elements
Elimination Tool:

A) Sc has ionic chloride

B) Sc readily forms oxidation state of +3

C) Compounds containing the Sc3+ion are always colored.

D) Sc has ionic chloride and Sc readily forms oxidation state of +3

9 / 100

Category: Chemistry Ch 11 Class 11

The rate of reaction:

NUMS 2020
Chemistry
Reaction Kinetics
Elimination Tool:

A) Increases as the reaction proceeds

B) Decreases as the reaction proceeds

C) Remains the same as the reaction proceeds

D) May decrease or increase as the reaction proceeds

10 / 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

11 / 100

Category: Chemistry

Which of the following compounds is solid at room temperature?

NUMS Mock 2
Chemistry
Alcohols, Phenols and Ethers

A) Ethanol

B) Butane

C) Methanol

D) Phenol

12 / 100

Category: Chemistry Ch 8 Class 12

The electrophilic reactions of Benzene are:

NTS 2011
Chemistry
Hydrocarbons
Elimination Tool:

A) Halogenation

B) Nitration

C) Sulphonation

D) Alkylation and Acylation

E) All of these

13 / 100

Category: Chemistry

Q114.The least acidic alcohol is

A. n-Butanol

B. Propanol

C. Ethanol Ethanol

D. Methanol Methanol

14 / 100

Category: Chemistry Ch 10 Class 11

Which of the following statements about the reaction given below are correct.

IO3-(aq) + 2I-(aq) + 6H+(aq) + 6Cl-(aq) -> 3ICl2-(aq) + 3H2O(l)

NUMS 2018
Chemistry
Electrochemistry
Elimination Tool:

A) The oxidation number of iodine in the iodate ion,IO3-(aq), changes from +5 to +1

B) The oxidation number of iodine in the iodide ion I-, changes from -1 to +2

C) The oxidation number of chlorine in the iodide ion I- , changes from -1 to -2

D) Iodate ions are oxidized

15 / 100

Category: Chemistry

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

16 / 100

Category: Chemistry

Identify the correct statement:

NUMS Mock 3
Chemistry
s and p Block Elements

A) Element sodium can be prepared and isolated by electrolyzing an aqueous solution of NaCl

B) Elemental Na is a strong oxidizing agent

C) Elemental Na is insoluble in NH3

D) Elemental Na is easily oxidizing

17 / 100

Category: Chemistry

Which of the following will not undergo aldol condensation?

NUMS Mock 2
Chemistry
Aldehydes and Ketones

A) Acetaldehyde

B) Propanaldehyde

C) Benzaldehyde

D) Trideuteroacetaldehyde

18 / 100

Category: Chemistry Ch 4 Class 12

Which of the following has allotropic forms:

Oxygen

Sulphur

Both

None of these

19 / 100

Category: Chemistry Ch 12 Class 12

The flavour of amyl butyrate is:

PreMedPK MDCAT Mock 5
Chemistry
Aldehydes and Ketones
Elimination Tool:

A) Mango

B) Raspberry

C) Apricot

D) Orange

20 / 100

Category: Chemistry Ch 2 Class 12

Which of the following statements is true?

NUMS 2014
Chemistry
s and p Block Elements
Elimination Tool:

A) Alkali metal hydroxides are stable to heat except LiOH

B) CaOH is a stronger base than NaOH

C) When NaOH is made the gas released at the cathode is C12

D) NaOH is named as caustic soda because it reacts with fats to form soap.

21 / 100

Category: Chemistry Ch 5 Class 11

When alpha particles are bombarded on beryllium

22 / 100

Category: Chemistry Ch 4 Class 11

When animals inhale air, oxygen will move into the lungs due to difference in partial pressure of oxygen in lungs and atmosphere. This obeys

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

A) Pascal's law

B) Dalton's law

C) Charles's law

D) Bohr's law

23 / 100

Category: Chemistry Ch 13 Class 12

The reaction CHCH + H2O + 3(O) shows the formation of ________.

NUMS 2018
Chemistry
Carboxylic Acids and its Derivatives
Elimination Tool:

A) Acetic acid

B) Picric acid

C) Oxalic acid

D) Formic acid

24 / 100

Category: Chemistry Ch 10 Class 12

The only o, p−directing group which is deactivating in nature is:

NTS 2014
Chemistry
Alkyl Halides and Amines
Elimination Tool:

A) -NH2

B) -OH

C) -X (halogens)

D) -R (alkyl groups)

25 / 100

Category: Chemistry Ch 11 Class 12

The method which is used on an industrial scale for production of alcohol from alkene is:

PMC Sample 1
Chemistry
Alcohols, Phenols and Ethers
Elimination Tool:

A) Hydrohalogenation of alkenes

B) Dehydration of alkenes

C) Hydration of alkenes

D) Hydroxylation of alkenes

26 / 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

27 / 100

Category: Chemistry Ch 1 Class 11

Physical and chemical properties of an element depend upon

Atomic mass only

Atomic number only c

Atomic mass and atomic number respectively

Atomic number and atomic mass respectively

28 / 100

Category: Chemistry Ch 13 Class 12

Which of the following is an example of aromatic carboxylic acid?

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

A) Ethanoic acid

B) Butanoic acid

C) Adipic acid

D) Phthalic acid

29 / 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

30 / 100

Category: Chemistry Ch 10 Class 12

Alkyl Halides that go through SN1 reactions are

Primary

Secondary

Tertiary

All of these

31 / 100

Category: Chemistry Ch 11 Class 12

Which of the following compounds will give a secondary alcohol after reaction with NaBH4?

UHS 2019
Chemistry
Alcohols, Phenols and Ethers
Elimination Tool:

A) CH3COCH3

B) CH3COOCH3

C) CH3CH2CHO

D) CH3CH2COOH

32 / 100

Category: Chemistry Ch 11 Class 12

In Cannizzaro’s reaction, Benzyl alcohol is obtained from?

PreMedPK MDCAT Mock 4
Chemistry
Alcohols, Phenols and Ethers
Aldehydes and Ketones
Elimination Tool:

A) benzaldehyde

B) benzene

C) picric acid

D) benzyl chloride

33 / 100

Category: Chemistry

Q.76 Which of the following methods .used to prepare acetic acid?

A. Distillation

B. Fermentation

C. Dehydration

D. Ozon lysis

34 / 100

Category: Chemistry Ch 10 Class 12

The reaction 2RX + 2Na -> RR + 2NaX is an example of:

NUMS 2017
Chemistry
Alkyl Halides and Amines
Elimination Tool:

A) Cannizaro’s reaction

B) Kolbe’s reaction

C) Sabatier & Senderen’s reaction

D) Wurtz reaction

35 / 100

Category: Chemistry Ch 10 Class 12

Alcbhols react with aqueous acid to produce alkyl halides in presence of

ZnCl2

SO2

Pyridine

KOH

36 / 100

Category: Chemistry Ch 7 Class 11

Which of the following statements is NOT true for the first law of thermodynamics?

NTS 2014
Chemistry
Thermochemistry
Elimination Tool:

A) Total energy of the system and surrounding is conserved

B) Energy can neither be created nor destroyed

C) It is the same as law of conservation of energy

D) Total energy of the system is increasing

37 / 100

Category: Chemistry Ch 10 Class 11

Oxidation number of Cr in K2Cr2O2 & K2Cr2O4 is:

+6, +3

+5, +2

7 +3

6 +4

38 / 100

Category: Chemistry Ch 6 Class 11

The substance which conducts electricity by the movement of ions:

NUMS 2014
Chemistry
Chemical Bonding
Elimination Tool:

A) Graphite

B) Copper

C) Molten NaCl

D) Mercury

39 / 100

Category: Chemistry

Which of the following is least polarizable?

NUMS Mock 1
Chemistry
s and p Block Elements

A) Ne

B) He

C) X

D) Kr

40 / 100

Category: Chemistry Ch 10 Class 11

The common oxidation number of halogens is:

PMC 2020
Chemistry
Electrochemistry
Elimination Tool:

A) -1

B) +1

C) -2

D) 0

41 / 100

Category: Chemistry

Example of a nucleophile is:

NUMS Mock 1
Chemistry
Fundamental Principles of Organic Chemistry

A) BF3

B) AlCl3

C) SO3

D) CN

42 / 100

Category: Chemistry Ch 9 Class 12

Which type of bonds are broken during cracking?

PMC Practice 1
Chemistry
Hydrocarbons
Elimination Tool:

A) C- C

B) C-H

C) Both C-C and C-H

D) C-0

43 / 100

Category: Chemistry Ch 9 Class 12

Free radical reactions take place in the presence of ______?

PMC Practice 1
Chemistry
Hydrocarbons
Elimination Tool:

A) Heat

B) Sunlight

C) Catalyst

D) Oxygen

44 / 100

Category: Chemistry Ch 9 Class 12

Methane gas is also known as

PMC Sample 2
Chemistry
Hydrocarbons
Elimination Tool:

A) Marsh gas

B) Pepper gas

C) Mustard gas

D) None of the above

45 / 100

Category: Chemistry Ch 7 Class 11

What is the measure of activation energy in an endothermic reaction?

UHS 2019
Chemistry
Thermochemistry
Elimination Tool:

A) The energy of activation of backward reaction is less than that of forward reaction

B) The energy of activation of backward reaction is more that that of forward reaction.

C) The energy of activation of forward reaction is less than that of backward reaction.

D) The energy of activation of forward – backward reaction is same.

46 / 100

Category: Chemistry Ch 6 Class 11

Second Ionization energy of M atom

Higher than first ionization energy

Lower than first ionization energy

Very low

None of these

47 / 100

Category: Chemistry Ch 6 Class 12

Which of following transition complex will have most stable square planar structure?

(MnCI4)2-

PCI5

Cu(NI13)4)2-

(Co(N143)6)2-

48 / 100

Category: Chemistry Ch 6 Class 11

Down the group atomic radii increases due to?

Increase in screening effect

Repulsion between the electrons of valence shell

Increase in nuclear charge

All of these

49 / 100

Category: Chemistry Ch 9 Class 12

Benzene with nitrating mixture gives?

Nitro benzene

Nitro Toluene

Nitro methane

Acrylonitrile

50 / 100

Category: Chemistry Ch 2 Class 12

For Alkali Metals, decrease in the ionization potential is because of the increasing:

Charge on the nucleus

) Distance between nucleus and outer most electron

Size of the atom

None of these

51 / 100

Category: Chemistry Ch 15 Class 12

Among the most common disaccharides, one of the following is present in the milk?

UHS 2014
Chemistry
Industrial Chemistry
Elimination Tool:

A) Sucrose

B) Maltose

C) Fructose

D) Lactose

52 / 100

Category: Chemistry Ch 7 Class 11

Two rocket fuels below are determined by their high performance.

N2H4(l) + O2(g) -> N2(g) + 2H2O(l) ΔH= -632 kJ

H2 (g) + ½ O2(g) -> H2O(l) ΔH = -286 kJ

If equal masses of hydrazine and hydrogen are used, which of the following has better performance?

NUMS 2019 Cancelled
Chemistry
Thermochemistry
Elimination Tool:

A) Hydrazine

B) Both have equal enthalpy of formation

C) Hydrogen gas

D) Cannot be compared

53 / 100

Category: Chemistry

Alkenes undergo:

NUMS Mock 2
Chemistry
Hydrocarbons

A) Electrophilic Addition

B) Electrophilic substitution

C) Nucleophilic substitution

D) Nucleophilic addition

54 / 100

Category: Chemistry Ch 3 Class 12

The total number of transition elements is:

NUMS 2019 Reconduct
Chemistry
d and f Block Elements
Elimination Tool:

A) 58

B) 48

C) 30

D) 25

55 / 100

Category: Chemistry Ch 11 Class 11

Which of the following oxides is amphoteric in character?

NUMS 2014
Chemistry
Acids, Bases and Salts
Elimination Tool:

A) CaO

B) CO2

C) SiO2

D) SnO2

56 / 100

Category: Chemistry Ch 16 Class 12

Which one of these Is toxic?

Nitrous oxide

Nitric oxide

Sulphur dioxide

Carbon dioxide

57 / 100

Category: Chemistry

Q.97 Due to less polarizability of Fluorine, it boils at ___________C

A..-188.1

B.188.1

C.184.4

D.184.4

58 / 100

Category: Chemistry Ch 4 Class 11

The formula of Chile Saltpeter is?

PMC Practice 5
Chemistry
States of Matter – Gases, Liquids and Solids
Elimination Tool:

A) NaNO3

B) CaCO3

C) Ba(NO3)2

D) NH4Cl

59 / 100

Category: Chemistry Ch 1 Class 11

Which of the following molecule is expressed in empirical formula:

C6H12O6

C6H6

Na2S4O6

C2 H5

60 / 100

Category: Chemistry Ch 7 Class 11

Which one is not related to evaporation?

NUMS 2015
Chemistry
Thermochemistry
States of Matter
States of Matter – Gases, Liquids and Solids
Elimination Tool:

A) Continuous

B) Endothermic

C) Exothermic

D) Spontaneous

61 / 100

Category: Chemistry Ch 15 Class 12

Aerobic decomposition of organic matter i.e. glucose by bacteria in water sediments produces

UHS 2013
Chemistry
Environmental Chemistry
Elimination Tool:

A) Propene

B) Ethane

C) Methane

D) Butane

62 / 100

Category: Chemistry Ch 5 Class 11

The maximum possible number of electrons a shell ‘n’ can accommodate is given by:

NTS 2012
Chemistry
Atomic Structure
Elimination Tool:

A) n

B) n2

C) 2n2

D) n3

63 / 100

Category: Chemistry Ch 7 Class 12

Which of the following intermediate has the complete octet around the carbon atom.

NUMS 2018
Chemistry
Fundamental Principles of Organic Chemistry
Elimination Tool:

A) Free radical

B) Carbanion

C) Carbonium ion

D) None of these

64 / 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

65 / 100

Category: Chemistry

Q.100 I–I bond distance in case of gases iodine is

A. 271.5pm

B. 266.6pm

C. 4.9pm

D. 251.4ppm

66 / 100

Category: Chemistry

Q.107 I is an example of___________?

A. Electrophilic group

B. Nucleophile

C. Leaving group

D. Both nucleophile and leaving group

67 / 100

Category: Chemistry Ch 10 Class 12

Which of the following has the strongest bond?

NUMS 2019 Cancelled
Chemistry
Alkyl Halides and Amines
Elimination Tool:

A) CH3 – F

B) CH3 – I

C) CH3 – Cl

D) CH3 – Br

68 / 100

Category: Chemistry Ch 8 Class 11

A reaction with a tendency of occurring in forward and backward direction simultaneously is termed as

PMC Sample 1
Chemistry
Chemical Equilibrium
Elimination Tool:

A) Irreversible

B) Unidirectional

C) Multidirectional

D) Reversible

69 / 100

Category: Chemistry Ch 9 Class 12

Name the main product formed as a result of the following reaction

H3C – (CH2)5 – CH3 ————> Product

n-heptane

Conditions: 480 – 550 C, 150 – 399 psi V2O5

NTS 2019
Chemistry
Hydrocarbons
Elimination Tool:

A) Benzene

B) Toluene

C) Xylene

D) Cyclohexane

70 / 100

Category: Chemistry

Q.119 Most reactive compound among the following is

A. Methanal

B. Ethanal

C. Propanal

D. Propanone

71 / 100

Category: Chemistry Ch 1 Class 12

Which group of elements shows greatest electrical conductivity?

Alkali metals

Alkaline earth metals

Halogens

Coinage Metals

72 / 100

Category: Chemistry Ch 10 Class 11

The oxidation state of “S’ in the (S2O3)-2 is:

PMC 2020
Chemistry
Electrochemistry
Elimination Tool:

A) +4

B) +6

C) -2

D) +2

73 / 100

Category: Chemistry Ch 8 Class 11

For an equilibrium change involving gaseous phase, the forward reaction is first order while the reverse reaction is second order. The unit of Kp for the forward equilibrium is:

NTS 2019
Chemistry
Chemical Equilibrium
Elimination Tool:

A) atm

B) atm2

C) atm-1

D) atm-2

74 / 100

Category: Chemistry

Q.167 The number of charges present on a cation depends on number of electrons______________ by the atom

A . Gain

B. Lost

D. Produced

75 / 100

Category: Chemistry Ch 6 Class 11

In water molecules, oxygen atom is hybridized as

sp2

sp3

sp4

sp3d2

76 / 100

Category: Chemistry Ch 3 Class 12

The transition element which does not show variable valency is:

PMC 2020
Chemistry
d and f Block Elements
Elimination Tool:

A) Cu

B) Sc

C) Zn

D) Cr

77 / 100

Category: Chemistry Ch 5 Class 12

Sulfur with HI acts as a:

Strong oxidizing agent

Strong reducing agent

Weak oxidizing agent

Weak reducing agent

78 / 100

Category: Chemistry Ch 12 Class 12

Cyanohydrins can be synthesized from ketones through:

PreMedPK MDCAT Mock 4
Chemistry
Aldehydes and Ketones
Elimination Tool:

A) Nucleophilic addition reaction

B) Unimolecular Nucleophilic substitution reaction

C) Electrophilic substitution reaction

D) Bimolecular Nucleophilic substitution reaction

79 / 100

Category: Chemistry Ch 1 Class 11

To find the number of molecules in a given compound which of the following is employed?

Chromatography

Le-Chatelier's principle

None of thes

80 / 100

Category: Chemistry Ch 1 Class 12

Hydration energy increases with

With high charge density

Distance between nucleus and outer most electron

Size of the atom

None of these

81 / 100

Category: Chemistry Ch 8 Class 12

Which one of the following molecules has the shortest distance of carbon atoms?

NTS 2013
Chemistry
Hydrocarbons
Elimination Tool:

A) CH3- CH3

B) CH2= CH2

C) CH≡ CH

D) CH3- CH2- CH3

82 / 100

Category: Chemistry Ch 11 Class 12

The classification of monohydric alcohols is due to

PMC Sample 3
Chemistry
Alcohols, Phenols and Ethers
Elimination Tool:

A) hydrogen atom

B) carbon atom

C) hydroxyl group

D) carbonyle group

83 / 100

Category: Chemistry Ch 4 Class 12

The ligand field effect splits five degenerate d-orbitals into two sets with different energies, the pair of high energy degenerate orbitals is:

NTS 2019
Chemistry
d and f Block Elements
Elimination Tool:

A) dxy, dyz

B) dyz, dzx

C) dx2 ,d

D) dx2 – y2, dy2

84 / 100

Category: Chemistry Ch 7 Class 12

Which of the following is/are organic?

Protein

Carbohydrates

Both a and b

None of these

85 / 100

Category: Chemistry Ch 4 Class 11

Increasing the temperature of a liquid will decrease all except:

Surface tension

Density

Viscosity

Vapor pressure

86 / 100

Category: Chemistry Ch 1 Class 12

Who started the development of the First Periodic Table?

) Antoine Bequerel

Dimitri Mendeleev

Robert Boyle

John Newlands

87 / 100

Category: Chemistry Ch 7 Class 11

Burning of fuel is a

Endothermic

Exothermic

Both a & b

None of these

88 / 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

89 / 100

Category: Chemistry

Which one of the following is not an isotope of hydrogen:

NUMS Mock 2
Chemistry
Atomic Structure

A) Deuterium

B) Tritium

C) Ortho hydrogen

D) None of these

90 / 100

Category: Chemistry Ch 3 Class 12

) Which one of the following is metalloid?

91 / 100

Category: Chemistry Ch 9 Class 11

Which of the following Is the smallest unit?

Molarity

Molality

PPM

Mole Fraction

92 / 100

Category: Chemistry Ch 14 Class 12

How many types of polymerization reactions are there?

PMC 2021 Tested
Chemistry
Macromolecules
Elimination Tool:

A) 4

B) 2

C) 6

D) 3

93 / 100

Category: Chemistry Ch 2 Class 11

Equal weights of methane and hydrogen are mixed in an empty container at 25°C. The fraction of total pressure exerted by hydrogen is:

NTS 2013
Chemistry
Stoichiometry
Elimination Tool:

A) ½

B) 8/9

C) 1/9

D) 16/17

94 / 100

Category: Chemistry Ch 4 Class 11

A fixed mass of an ideal gas is contained in a cylinder at constant temperature. Now, the pressure of the gas is decreased.

What happened to the molecules of gas?

PMC Practice 1
Physics
States of Matter – Gases, Liquids and Solids
Elimination Tool:

A) Their mean square speed decreases

B) Number of collision between molecules and walls of container decreased

C) The force of attraction between them increase

D) Their size decreases

95 / 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

96 / 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

97 / 100

Category: Chemistry Ch 7 Class 11

Heat evolved or absorbed in a chemical reaction does not depend upon?

NTS 2016 SMBBMC
Chemistry
Thermochemistry
Elimination Tool:

A) Amount of reactants

B) Pressure of reaction

C) Physical state of reactants and products

D) Temperature

98 / 100

Category: Chemistry Ch 5 Class 11

Number of transitions possible for an electron in the 6th shell are

99 / 100

Category: Chemistry Ch 10 Class 11

Zn can be deposited on iron by?

Galvanizing

Cathode Coating

Neutral suspension

All of these

100 / 100

Category: Chemistry Ch 1 Class 12

Hydrogen resembles with alkali metals in all respects except

NTS 2016 SMBBMC
Chemistry
Periodicity in Elements
Elimination Tool:

A) Half – filled valence shell

B) Formation of unipositive ion

C) Reducing nature

D) Valence shell electronic configuration

Your score is

The average score is 56%

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