Chemistry Practice Tests 4 - PLS Academy

Chemistry Practice Test 4

Chemistry Practice Test 4 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 electrochemistry, redox reactions, solutions, and molarity calculations, helping students improve accuracy and problem-solving skills.

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Chemistry Practice Test 4

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1 / 100

Category: Chemistry Ch 8 Class 12

What Is Lindlar Catalyst?

fe203 and Al2O3

AL1O1,SIO2, Cr2O3

Pd, CaCO, and Lead salts

Charcoal

2 / 100

Category: Chemistry Ch 1 Class 11

Formula mass is considered for compounds instead of their molecular mass.

PMC Practice 21
Chemistry
Introduction to Fundamental Concepts of Chemistry
Elimination Tool:

A) Metallic

B) Ionic

C) Covalent

D) Polar covalent

3 / 100

Category: Chemistry Ch 14 Class 12

The transparent plastic used to make combs and hairbrushes is called:

NTS 2018
Chemistry
Macromolecules
Elimination Tool:

A) PVA

B) PVC

C) Bakelite

D) Perspex

4 / 100

Category: Chemistry Ch 15 Class 12

What is used in cement manufacture?

Limestone

Starch

Potassium Oxide

Both a and b

5 / 100

Category: Chemistry Ch 2 Class 12

The lower part of the “Solvay tower” has been cooled during the manufacture of soda ash because:

NTS 2014
Chemistry
s and p Block Elements
Elimination Tool:

A) this facilitates the production of soda ash

B) it decreases the solubility of Na2CO3

C) this controls the flow of brine

D) it decreases the solubility of NaHCO3

6 / 100

Category: Chemistry Ch 12 Class 12

What one is the correct geometry of acetal?

PreMedPK MDCAT Mock 3
Aldehydes and Ketones
Elimination Tool:

A) Trigonal

B) Linear

C) Tetrahedral

D) Square planer

7 / 100

Category: Chemistry Ch 7 Class 11

Heat of vaporization of water is kcal/kg

574

674

474

364

8 / 100

Category: Chemistry Ch 1 Class 12

Variable valency is shown by which of the following elements?

9 / 100

Category: Chemistry Ch 6 Class 11

The molecule with zero dipole moment is:

NUMS 2015
Chemistry
Chemical Bonding
Elimination Tool:

A) NH3

B) H2O

C) BF3

D) SO2

10 / 100

Category: Chemistry Ch 8 Class 12

Which step should be repeated over and over to get a variety of substituted products?

PreMedPK MDCAT Mock 5
Chemistry
Hydrocarbons
Elimination Tool:

A) None of these

B) Termination

C) Propagation

D) Initiation

11 / 100

Category: Chemistry Ch 7 Class 11

Which of the following condition is constant in Bomb calorimeter?

PMC Practice 1
Chemistry
Thermochemistry
Elimination Tool:

A) Pressure

B) Volume

C) Temperature

D) All of these

12 / 100

Category: Chemistry Ch 5 Class 12

is used in electric light bulbs, in fluorescent tubes, in radio tubes and Geiger counters

Radon

Neon

Argon

Both a and b

13 / 100

Category: Chemistry

liquid whose thermodynamic property do not de ti)upon intermolecular forces Is

Mercury

None of these

Ethylene glycol

Acetone pond

14 / 100

Category: Chemistry Ch 3 Class 11

When gases expand, this causes:

Cooling

Heating

Remain constant

None

15 / 100

Category: Chemistry Ch 8 Class 12

Which among the following gives ppt. with terminal alkynyl hydrogen?

PreMedPK MDCAT Mock 4
Hydrocarbons
Elimination Tool:

A) Ammonical silver nitrate

B) Ammoniacal cuprous chloride

C) Both a and b

D) None of these

16 / 100

Category: Chemistry

H2 and O2 are diffusing under the same condition how much H2 gas will diffuse?

NUMS Mock 4
Chemistry
States of Matter – Gases, Liquids and Solids

A) 4

B) 16

C) 32

D) 0.5

17 / 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

18 / 100

Category: Chemistry Ch 2 Class 12

Sodium Is prepared by

Down's cell

Dutch's method

Castner-kellner process

Nelson's process

19 / 100

Category: Chemistry

For a sub shell I = 2 and m = -2, -1, 0 , +1, +2, it implies that it has ____ space orientation.

NUMS Mock 4
Chemistry
Atomic Structure

A) One

B) Two

C) Three

D) Five

20 / 100

Category: Chemistry Ch 6 Class 11

The boiling point of water is higher than other hydrides because water molecules can form:

NTS 2018
Chemistry
Chemical Bonding
Elimination Tool:

A) 4 hydrogen bonds

B) 3 hydrogen bonds

C) 2 hydrogen bonds

C) 1 hydrogen bonds

21 / 100

Category: Chemistry Ch 12 Class 12

A diabetic person’s exhaled breath contains propanone. A student tries to test the diabetes by asking the person to bubble the reagent with his exhaled breath. Which of the following reagents would give a positive result?

NUMS 2019 Cancelled
Chemistry
Aldehydes and Ketones
Elimination Tool:

A) Aqueous Bromine

B) Fehling’s reagent

C) Tollen’s reagent

D) Alkaline aqueous iodine

22 / 100

Category: Chemistry Ch 4 Class 11

Boyle’s law is stated as:”The product of pressure and volume of a fixed amount of gas at constant temperature is a _____ quantity

PMC Sample 3
Chemistry
States of Matter – Gases, Liquids and Solids
Elimination Tool:

A) variable

B) constant

C) discreet

D) decreasing

23 / 100

Category: Chemistry

Q.13 Alkali metals group lies in_________?

A.d-block

B. s-bloc

C.f- block

D.P-block

24 / 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

25 / 100

Category: Chemistry Ch 7 Class 12

Proton transfer within a molecule is known as:

Position isomerism

Tautomerism

Metamerism

Isomerism

26 / 100

Category: Chemistry Ch 6 Class 11

Dipole moment of H2 is:

1.03

) 1.45

0.78

27 / 100

Category: Chemistry Ch 8 Class 11

Concentration of reactants and products are expressed as Moles per unit _______.

PMC Sample 1
Chemistry
Chemical Equilibrium
Elimination Tool:

A) Area

B) length

C) Volume

D) None of these

28 / 100

Category: Chemistry Ch 11 Class 11

For a reaction 2A + 3B -> C
The rate law expression is given by rate = K [A]1[B]2. The order of the reaction with respect to A, B and overall order of reaction are:

NUMS 2015
Chemistry
Reaction Kinetics
Elimination Tool:

A) 2, 1, 3

B) 1, 2, 3

C) 0, 1, 2

D) 2, 1, 0

29 / 100

Category: Chemistry Ch 13 Class 12

Which of the following reagent is required for preparation of acyl chloride (CH3COCl) from ethanoic aicd?

UHS 2019
Chemistry
Carboxylic Acids and its Derivatives
Elimination Tool:

A) PCl5

B) POCl3

C) CH3Cl

D) HCl

30 / 100

Category: Chemistry Ch 4 Class 11

Which of the following shows H-bonding?

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

A) CH₃CH₂OH

B) CH₃-O-CH₃

C) CH₃CH₂Cl

D) All of these

31 / 100

Category: Chemistry Ch 6 Class 11

Ionization potential

Increases down the group

Decreases down the group

Stay same

None

32 / 100

Category: Chemistry Ch 6 Class 12

Transition elements are colored in which type of compounds?

Ionic

Covalent

Both a and b

None of these

33 / 100

Category: Chemistry Ch 12 Class 12

Phenylmethyl ketone can be converted into ethyl benzene in one step by using:

PreMedPK MDCAT Mock 2
Chemistry
Aldehydes and Ketones
Elimination Tool:

A) LiAlH4

B) Zn(Hg)-HCl

C) NaBH4

D) CH3MgI

34 / 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

35 / 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

36 / 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

37 / 100

Category: Chemistry Ch 12 Class 12

Paraldehyde is formed by:

Formaldehyde

Acetaldehyde

Acetone

None of these

38 / 100

Category: Chemistry Ch 7 Class 11

Through what phenomenons does heat flow?

PMC Sample 2
Chemistry
Thermochemistry
Elimination Tool:

A) Conduction

B) Convection

C) Radiation

D) All of these

39 / 100

Category: Chemistry Ch 9 Class 11

6 g of urea is dissolved in 90 g of water. The relative lowering of vapour pressure is:

NUMS 2015
Chemistry
Solution and Colloids
Elimination Tool:

A) 0.02

B) 0.2

C) 0.002

D) 0.04

40 / 100

Category: Chemistry Ch 10 Class 11

Zn can be deposited on iron by?

Galvanizing

Cathode Coating

Neutral suspension

All of these

41 / 100

Category: Chemistry Ch 13 Class 12

Ease of esterification of the following alcohols CH3CH2OH(I),(CH3)2CHOH and (CH3)3COH(III) with HCOOH is:

NUMS 2017
Chemistry
Carboxylic Acids and its Derivatives
Elimination Tool:

A) I < II < III

B) III < II < I

C) II < I < III

D) I = II = III

42 / 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

43 / 100

Category: Chemistry Ch 7 Class 11

The thermal energy at constant pressure is called:

PMC 2020
Chemistry
Thermochemistry
Elimination Tool:

A) Enthalpy

B) Internal Energy

C) Heat capacity

D) Work done

44 / 100

Category: Chemistry Ch 15 Class 12

Which of the pair of gases is not a greenhouse gas?

NUMS 2019 Cancelled
Chemistry
Environmental Chemistry
Elimination Tool:

A) Carbon dioxide and methane

B) Carbon dioxide and nitric oxide

C) Nitrogen and oxygen

D) Water vapour and ozone

45 / 100

Category: Chemistry

Which of the following has the highest electrical conductivity?

NUMS Mock 2
Chemistry
Solution and Colloids

A) Aqueous sugar solution

B) Solid graphite

C) Solid sodium chloride

D) Gaseous carbon dioxide

46 / 100

Category: Chemistry Ch 7 Class 11

A catalyst increases the rate of reaction by:

NTS 2019
Chemistry
Thermochemistry
Elimination Tool:

A) decreasing the activation energy

B) decreasing the concentration of reactants

C) decreasing the temperature

D) increasing the temperature

47 / 100

Category: Chemistry Ch 9 Class 11

Definition of Raoult’s law is,

The lowering of vapor pressure is equal to the mole fraction of solute

The relative lowering of vapor pressure is directly proportional to the mole fraction of solute.

The relative lowering of vapor pressure is equal to the mole fraction of solute

The relative lowering vapor pressure is equal to the mole fraction of solvent

48 / 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

49 / 100

Category: Chemistry

Q.115 The crude petroleum is separated in fraction by

A. Filtration

B. Fractional distillation

C. Steam distillation

D. Fractional sublimation

50 / 100

Category: Chemistry

If a molecule MX3 has zero dipole moment, the sigma bonding orbitals used by M are:

NUMS Mock 4
Chemistry
Chemical Bonding

A) Pure p

B) Sp hybrids

C) Sp2hybrids

D) Sp3hybrids

51 / 100

Category: Chemistry Ch 15 Class 12

The unpolluted natural rainwater is slightly acidic due to the reaction of rain water with:

UHS 2011
Chemistry
Environmental Chemistry
Elimination Tool:

A) Sulphur dioxide

B) Oxides of nitrogen

C) Carbon dioxide

D) Hydrogen present in air

52 / 100

Category: Chemistry Ch 6 Class 12

Which of the following doesn’t has an incomplete d-orbital?

All of these

53 / 100

Category: Chemistry Ch 15 Class 12

The temperature zones In rotary kilns are:

None of these

54 / 100

Category: Chemistry Ch 14 Class 12

Who introduced the concept of macromolecules?

PMC Practice 7
Chemistry
Macromolecules
Elimination Tool:

A) Runge

B) Maxwell

C) Staudinger

D) None of these

55 / 100

Category: Chemistry Ch 8 Class 11

Law of mass action was derived by:

NUMS 2014
Chemistry
Chemical Equilibrium
Elimination Tool:

A) Newton

B) CM Guldberg

C) P Waage

D) CM Guldberg and P Waage

56 / 100

Category: Chemistry

Bond energy of C-CI in kJ/moles Is:

More than that of C-F

Less than C-Br

More than that of C-Br but less than C-I

More than that of C-Br and C-I

57 / 100

Category: Chemistry

Q.24 Non polar covalent bond is formed b/w

A. homonuclear diatomic molecules

B. heteronuclear diatomic molecules

C. similar atoms

D. dissimilar atoms

58 / 100

Category: Chemistry Ch 10 Class 12

Which type of alkyl halides gives SN2 mechanism?

NUMS 2019 Reconduct
Chemistry
Alkyl Halides and Amines
Elimination Tool:

A) Secondary alkyl halides

B) Tertiary alkyl halides

C) Vinyl halides

D) Primary alkyl halides

59 / 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

60 / 100

Category: Chemistry Ch 1 Class 11

Which of the following represents Empirical Formula of Glucose?

CH2O

CHO

C2H0

CHO2

61 / 100

Category: Chemistry Ch 1 Class 11

In which of the following will water evaporate earlier?

PMC Practice 1
Chemistry
Introduction to Fundamental Concepts of Chemistry
Elimination Tool:

A) Cup

B) Saucepan

C) Glass

D) Small bowl

62 / 100

Category: Chemistry Ch 13 Class 12

Which of the following is the strongest acid?

PMC 2020
Chemistry
Carboxylic Acids and its Derivatives
Elimination Tool:

A) Propanoic acid

B) Fluoroethanoic acid

C) Trichloroethanoic acid

D) Nitroethanoic acid

63 / 100

Category: Chemistry

Q.29 Which one of them is used as an automobile anti free

A. Ethanol

B. ethene

C. ethylene glycol

D. propene

64 / 100

Category: Chemistry Ch 1 Class 12

In which of the following chromium has different oxidation state?

NTS 2016 SMBBMC
Chemistry
Periodicity in Elements
Elimination Tool:

A) K2Cr2O7

B) CrCl3

C) CrO3

D) K2CrO4

65 / 100

Category: Chemistry Ch 12 Class 12

Metaformaldehyde is a result of?

Condensation

Reduction

Polymerization

Oxidation

66 / 100

Category: Chemistry Ch 15 Class 12

The yellowish-brown color in photochemical smog is due to the presence of:

UHS 2013
Chemistry
Environmental Chemistry
Elimination Tool:

A) Sulphur dioxide

B) Carbon monoxide

C) Carbon dioxide

D) Nitrogen dioxide

67 / 100

Category: Chemistry Ch 4 Class 12

Which of the following does not occur in Free State?

Nitrogen

Phosphorous

Oxygen

Sulphur

68 / 100

Category: Chemistry Ch 9 Class 12

Which of the following compounds react slower than benzene in electrophilic substitution reaction?

NUMS 2019 Reconduct
Chemistry
Hydrocarbons
Elimination Tool:

A) Nitrobenzene

B) Phenol

C) Aniline

D) Toluene

69 / 100

Category: Chemistry Ch 1 Class 11

Mass spectrometer is used to determine which of the following quantity?

) Atomic mases

Atomic number

Both a and b

None of these

70 / 100

Category: Chemistry Ch 9 Class 11

Which statement is correct?

PMC Sample 3
Chemistry
Solution and Colloids
Elimination Tool:

A) Amorphous solids have sharp melting Points

B) Amorphous solids have zero percent arranged

C) Amorphous Solids have a range of melting points

D) Amorphous solids have definite heat of fusion

71 / 100

Category: Chemistry Ch 7 Class 11

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 2019 Reconduct
Chemistry
Thermochemistry
Elimination Tool:

A) -484 KJmol-1

B) -242 KJmol-1

C) -121 KJmol-1

D) +242 KJmol-1

72 / 100

Category: Chemistry

Down the group acid-base behaviour of metallic oxides of group 2 elements changes to:

NUMS Mock 2
Chemistry
s and p Block Elements

A) More basic

B) No change

C) Less basic

D) More acidic

73 / 100

Category: Chemistry Ch 5 Class 11

Which of the following orbital will be filled first than 4p?

NUMS 2020
Chemistry
Atomic Structure
Elimination Tool:

A) 4s

B) 2p

C) 3d

D) 1s

74 / 100

Category: Chemistry

Which one of the following reagents is used to distinguish between aldehydes and ketones?

NUMS Mock 1
Chemistry
Aldehydes and Ketones

A) Alkaline Iodine

B) Tollen’s Reagent

C) Bromine

D) 2, 4 DNPH

75 / 100

Category: Chemistry Ch 4 Class 12

Oxidation Number of all the elements in the free state is?

PMC Practice 5
Chemistry
d and f Block Elements
Elimination Tool:

A) Unity

B) Positive

C) Zero

D) Negative

76 / 100

Category: Chemistry

Q.105 Ethane is obtained by electrolyzing-

A. Potassium format

B. Potassium succinate

C. Potassium acetate

D. Potassium fumarate

77 / 100

Category: Chemistry Ch 3 Class 12

Transition Elements usually show:

NUMS 2015
Chemistry
d and f Block Elements
Elimination Tool:

A) Para magnetism

B) Diamagnetism

C) Ferromagnetism

D) Both Ferromagnetism and Paramagnetism

78 / 100

Category: Chemistry Ch 2 Class 12

7) Gypsum supplies to soil

Carbon

Sulpuhr

Nitrogen

Calcium

Both b and d

79 / 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

80 / 100

Category: Chemistry Ch 7 Class 11

Exothermic Reactions heat is

PMC Sample 2
Chemistry
Thermochemistry
Elimination Tool:

A) Taken in

B) Give out to surroundings

C) Neither given nor lost

D) None of these

81 / 100

Category: Chemistry Ch 10 Class 11

A solution of Sodium Sulphate was electrolyzed using platinum electrode, the products at the anode and cathode respectively are:

NUMS 2017
Chemistry
Electrochemistry
Elimination Tool:

A) O2, H2

B) O2,Na

C) O2, SO

D) O2, S2O4-2

82 / 100

Category: Chemistry Ch 14 Class 12

83 / 100

Category: Chemistry

Q.79 Salt Bridge is used for the purpose of

A. Producing Electrons

B. Circuit Completion

C. Increasing speed electrons

D. All of these

84 / 100

Category: Chemistry

Q.162 Ifthe concentration of reactants in a chemical reaction is Unity the rate is called

A. Unit rate constant

C. Relative rate constant

B. Specific rate constant

D. Average rate constant

85 / 100

Category: Chemistry Ch 4 Class 11

Which type of movement is shown by the atoms of the solid?

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

A) Translational motion

B) Vibrational motion

C) Rotational motion

D) Linear motion

86 / 100

Category: Chemistry Ch 11 Class 12

The test used to distinguish among primary, secondary, and tertiary alcohols is:

NUMS 2017
Chemistry
Alcohols, Phenols and Ethers
Elimination Tool:

A) 2,4 – DNPH test

B) Tollens test

C) Lucas Test

D) Fehling solution test

87 / 100

Category: Chemistry Ch 4 Class 11

Which of the following is an assumption of the kinetic model of an ideal gas?

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

A) Gas is at high pressure

B) Collision between particles are elastic

C) There are weak forces of attraction between particles in gas

D) Total energy of particles is proportional to the temperature

88 / 100

Category: Chemistry Ch 2 Class 12

Li is an element of group?

II-A

Ill-A

I-A

IV-B

89 / 100

Category: Chemistry Ch 4 Class 12

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

UHS 2018
Chemistry
d and f Block Elements
Elimination Tool:

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

90 / 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

91 / 100

Category: Chemistry Ch 1 Class 12

A gas that reacts with CaO and not with NaHCO3 is:

NTS 2017
Chemistry
Periodicity in Elements
Elimination Tool:

A) CO2

B)CI2

C) O2

D) N2

92 / 100

Category: Chemistry Ch 8 Class 11

For which one of the following gaseous equilibrium will an increase in pressure increase the yield of the product:

NTS 2014
Chemistry
Chemical Equilibrium
Elimination Tool:

A) 2HI ⇌ H2 + I2

B) 2SO2 + O2 ⇌ 2SO3

C) H2O + CO ⇌ H2+ CO2

D) H2 + Br2 ⇌ 2HBr

93 / 100

Category: Chemistry

Which of the following has the highest value of pKa?

NUMS Mock 1
Chemistry
Chemical Equilibrium

A) CH3- CH2OH

B) CI – CH2- CH2OH

C) F3C – CH2- OH

D) CH3- CH(CH3) – CH2OH

94 / 100

Category: Chemistry Ch 14 Class 12

All are enzymes involved in fermentation process except one:

NTS 2016 DUHS & JSMU
Chemistry
Macromolecules
Elimination Tool:

A) Zymase

B) Invertase

C) Lipase

D) Diastase

95 / 100

Category: Chemistry Ch 6 Class 11

How many bonds are there in CO?

96 / 100

Category: Chemistry Ch 4 Class 12

What are interstitial compounds?

PMC Sample 2
Chemistry
d and f Block Elements
Elimination Tool:

A) Transition elements containing small proportion of H, B, C, N

B) Transition elements containing small proportion of He, Ne, Ar, Xe

C) The compounds in which transition elements are in their highest oxidation state.

D) The compounds of transition elements which are not stable.

97 / 100

Category: Chemistry Ch 14 Class 12

Three different polymers are polymerized to form

Copolymer

Terpolymer

Homopolymer

None of these

98 / 100

Category: Chemistry

The decreasing order of second ionization energy of K, Ca, Ba is:

NUMS Mock 1
Chemistry
Chemical Bonding

A) K > Ca > Ba

B) Ca > Ba > K

C) Ba > K > Ca

D) K > Ba > Ca

99 / 100

Category: Chemistry Ch 12 Class 12

Meta-formaldehyde molecule has Oxygen MOMS:

One

Two

Three

Five

100 / 100

Category: Chemistry Ch 13 Class 12

Lysine is a
amino acid

Acidic

Basic

Neutral

Amphoteric

Your score is

The average score is 57%

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