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 7 Class 11

Which of the following are the fundamental ways of transferring energy?

NUMS 2014
Chemistry
Thermochemistry
Elimination Tool:

A) Pressure and work

B) Volume and pressure

C) Heat and work

D) Pressure and heat

2 / 100

Category: Chemistry Ch 10 Class 12

Which of the following is true about SN2 reactions:

They follow a two-step bimolecular mechanism

they do not undergo rearrangements

Methyl and primary substrates react faster than secondary and tertiary substrates

the rate of the reactions depend on both the substrate and nucleophile concentration

3 / 100

Category: Chemistry Ch 10 Class 12

Order of reactivity of halogens towards alkanes is:

NUMS 2019 Reconduct
Chemistry
Alkyl Halides and Amines
Elimination Tool:

A) F2> I2> Br2> Cl2

B) F2> Br2> Cl2> I2

C) F2> Cl2> Br2> I2

D) F2> Cl2> I2> Br2

4 / 100

Category: Chemistry Ch 5 Class 11

The number of electrons present in n=2 , l = 1 and m = 1, 0, -1 are:

NTS 2016 DUHS & JSMU
Chemistry
Atomic Structure
Elimination Tool:

A) 2

B) 6

C) 8

D) 10

5 / 100

Category: Chemistry Ch 14 Class 12

For which mechanism the first step involved is the same?

NTS 2016 DUHS & JSMU
Chemistry
Macromolecules
Elimination Tool:

A) E1 and E2

B) SN1 and E2

C) E1 and SN2

D) E1 and SN1

6 / 100

Category: Chemistry Ch 12 Class 12

Cyanohydrins can be synthesized from ketones through:

NUMS 2018
Chemistry
Aldehydes and Ketones
Elimination Tool:

A) Nucleophilic addition reaction

B) Unimolecular Nucleophilic substitution reaction

C) Electrophilic substitution reaction

D) Bimolecular Nucleophilic substitution reaction

7 / 100

Category: Chemistry

Q.38 Water is considered as a Universal solvent because of which properties?

A. Polar nature of water

B. H-bonding

C. Electronegativity difference

D. All are correct

8 / 100

Category: Chemistry Ch 9 Class 12

Alkenes undergo:

UHS 2019
Chemistry
Hydrocarbons
Elimination Tool:

A) Electrophilic Addition

B) Electrophilic substitution

C) Nucleophilic substitution

D) Nucleophilic addition

9 / 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?

NUMS 2018
Chemistry
Alcohols, Phenols and Ethers
Elimination Tool:

A) CH3CO2H and HOCH2CH2CH2CO2H

B) CH3CO2H and HO2CCH2CH2CO2H

C) CH3CH2CO2H and HO2CCH2CO2H

D) CH3CH2CO2H and HOCH2CH2CO2H

10 / 100

Category: Chemistry Ch 10 Class 12

(NI13) is a:

Nucleophile

Neutrophile

Electrophile

Electrolyte

11 / 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

12 / 100

Category: Chemistry

A system at equilibrium can be disturbed by:

NUMS Mock 4
Chemistry
Chemical Equilibrium

A) Concentration change

B) Pressure change

C) Temperature

D) All of the above

13 / 100

Category: Chemistry Ch 4 Class 12

Hardness of transition metals is due to ______?

PMC Practice 6
Chemistry
d and f Block Elements
Elimination Tool:

A) More melting point

B) More electrons

C) Variable oxidation state

D) Higher binding energies

14 / 100

Category: Chemistry Ch 4 Class 11

If the absolute temperature of a gas is reduced to one half and the pressure is doubled, the volume of gas will be:

NUMS 2018
Chemistry
States of Matter – Gases, Liquids and Solids
Elimination Tool:

A) Increased four times

B) Decreased four times

C) Remained unchanged

D) Reduced to one half

15 / 100

Category: Chemistry Ch 8 Class 11

The Ksp of AgCl is 2.0 x 10^-10-1010 mol2dm-6 . The maximum concentration of Ag+ ions:

NUMS 2015
Chemistry
Chemical Equilibrium
Elimination Tool:

A) 2.0 x 10-10mol.dm-6

B) 1.41 x 10-5mol.dm-3

C) 1.0 x 10-5mol.dm-3

D) 4.0 x 10-20mol.dm-3

16 / 100

Category: Chemistry Ch 5 Class 12

Which of the following is a component of TEAR GAS:

Bromine

Fluorine

Chlorine

Argon

17 / 100

Category: Chemistry Ch 11 Class 12

Boiling point of Ethyl Alcohol is?

20.2 C

100 C

80.1 C

78.3 C

18 / 100

Category: Chemistry Ch 7 Class 11

Given the bond energy N ≡ N, N – H and H – H bonds are 945, 391, and 436 kJmol-1 respectively, the enthalpy of the reaction N2 (g) + 3H2(g) -> 2NH3 (g) is;

NUMS 2017
Chemistry
Thermochemistry
Elimination Tool:

A) -93 kJ

B) 102 kJ

C) 90 kJ

D) 105 kJ.

19 / 100

Category: Chemistry Ch 10 Class 11

Standard Electrode Potential is measured at temperature:

348K

298K

20K

235K

20 / 100

Category: Chemistry Ch 4 Class 11

Which of the following has the highest electrical conductivity?

NUMS 2018
Chemistry
States of Matter – Gases, Liquids and Solids
Elimination Tool:

A) Aqueous sugar solution

B) Solid graphite

C) Solid sodium chloride

D) Gaseous carbon dioxide

21 / 100

Category: Chemistry Ch 15 Class 12

Genetic mutations occur in:

NUMS 2016
Chemistry
Chemistry of Life
Elimination Tool:

A) RNA

B) Protein

C) DNA

D) All of the above

22 / 100

Category: Chemistry Ch 7 Class 12

Which of the following is the reducing agent:

NUMS 2015
Chemistry
Fundamental Principles of Organic Chemistry
Elimination Tool:

A) C3H8

B) C2H5COOH

C) C3H7OH

D) (CH3)2CO

23 / 100

Category: Chemistry Ch 6 Class 12

Which of the following Is the reason that Iron is the most abundant element?

Oldest metal

Binding energy

Less stability

Ferromagnetic

24 / 100

Category: Chemistry Ch 5 Class 11

The ground state of an atom corresponds to a state of :

NTS 2016 DUHS & JSMU
Chemistry
Atomic Structure
Elimination Tool:

A) Maximum energy

B) Minimum energy

C) Negative energy

D) Positive energy

25 / 100

Category: Chemistry

Q.82 The oxidation number of ‘P’ in HPO3 is

A. +3

B. +5

C. +1

D. –3

26 / 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

27 / 100

Category: Chemistry Ch 13 Class 12

) Which of the following is not a use of acetic acid?

As a coagulant for latex in rubber industry

manufacture of pickles

Used in silvering of mirrors

None of these

28 / 100

Category: Chemistry Ch 8 Class 11

If Kc < 1, then the reaction proceeds:

Forwards

Backwards

Is at Equilibrium

None of these

29 / 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

30 / 100

Category: Chemistry Ch 16 Class 12

Which one substance is used to remove both H2S and carbon dioxide from biogas?

Sodium oxide

Calcium oxide

Both a and b

None of the above

31 / 100

Category: Chemistry Ch 10 Class 11

The Oxidation state of Alkali metals in any compound is?

PMC Sample 3
Chemistry
Electrochemistry
Elimination Tool:

A) 1

B) 2

C) 3

D) zero

32 / 100

Category: Chemistry

Which of the following has maximum Hydration power?

NUMS Mock 3
Chemistry
Chemical Bonding

A) Na+

B) K+

C) Be2+

D) Ca+2

33 / 100

Category: Chemistry Ch 7 Class 12

In a resonance structure of a molecule

NUMS 2014
Chemistry
Fundamental Principles of Organic Chemistry
Elimination Tool:

A) Pairing scheme should be same

B) Arrangement of atoms should be same

C) Energy should be same

D) All are true

34 / 100

Category: Chemistry Ch 13 Class 12

Strongest acid among the following is:

NUMS 2014
Chemistry
Carboxylic Acids and its Derivatives
Elimination Tool:

A) HCOOH

B) CH3COOH

C) (CH3)2CHCOOH

D) (CH3)3CCOOH

35 / 100

Category: Chemistry Ch 11 Class 11

A certain chemical reaction follows the
following rate law:

Rate =K [A] [B]2 The order of reaction is:

NTS 2011
Chemistry
Reaction Kinetics
Elimination Tool:

A) 1

B) 2

C) 3

D) 4

36 / 100

Category: Chemistry Ch 5 Class 11

The radii of the second orbit of the hydrogen atom calculated from Bohr’s model is:

NTS 2013
Chemistry
Atomic Structure
Elimination Tool:

A) 0.529 Å

B) 4.8 Å

C) 2.41 Å

D) 3.4 Å

37 / 100

Category: Chemistry Ch 2 Class 12

Melting point of Group I-A elements is than Group II-A elements

Higher

lower

Same

Varies

38 / 100

Category: Chemistry Ch 14 Class 12

Which one of the following is the structure of Teflon?

UHS 2018
Chemistry
Alkyl Halides and Amines
Macromolecules
Elimination Tool:

A) (-CF2-CF2-)n

B) (-CF2-CCl2-)n

C) (-CH2-CH2-)n

D) (-CF2-CH2-)n

39 / 100

Category: Chemistry

Linear combination of atomic orbitals (LCAO) results in the formation of:

NUMS Mock 2
Chemistry
Chemical Bonding

A) Sigma bond

B) Pi bond

C) Bonding molecular orbitals only

D) Bonding and antibonding molecular orbitals

40 / 100

Category: Chemistry Ch 1 Class 12

The products of decomposition of Mg(NO3)2are:

NUMS 2017
Chemistry
Periodicity in Elements
Elimination Tool:

A) MgO and NO2

B) Mg and NO2

C) MgO, NO2and O2

D) Mg(NO3)2

41 / 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

42 / 100

Category: Chemistry Ch 7 Class 12

Which one of the following free radical is most stable:

NUMS 2017
Chemistry
Fundamental Principles of Organic Chemistry
Elimination Tool:

A) CH3*

B) (CH3)2CH*

C) (CH3)3C*

D) C2HS*

43 / 100

Category: Chemistry Ch 6 Class 11

The Lattice energy is also called as:

PMC 2020
Chemistry
Chemical Bonding
Elimination Tool:

A) Energy of affinity

B) Bond energy

C) Crystal energy

D) Potential energy

44 / 100

Category: Chemistry Ch 8 Class 12

In which of the following C-C bond length is the minimum?

Alkane

Alkene

Benzene

Same length in all

45 / 100

Category: Chemistry Ch 2 Class 11

While calculating vapor pressure of a liquid in manometer, the column of mercury facing the vapors of a liquid is _____ due to pressure on surface of liquid in flask.

PMC Practice 1
Chemistry
Experimental Techniques in Chemistry
Elimination Tool:

A) Compressed

B) Depressed

C) Rises

D) Lowers

46 / 100

Category: Chemistry Ch 6 Class 11

The number of sigma and pi bonds in 1-butene-3-yne?

NUMS 2015
Chemistry
Chemical Bonding
Elimination Tool:

A) 5 sigma and 5 pi

B) 7 sigma and 3 pi

C) 8 sigma and 2 pi

D) 6 sigma and 4 pi

47 / 100

Category: Chemistry Ch 7 Class 11

The enthalpy of certain reactions at 273 K is -20.75 kJ. The enthalpy of the same reaction at 373 K (if heat capacities of reactants and products are the same) will be:

NTS 2017
Chemistry
Thermochemistry
Elimination Tool:

A) －20.75 kJ

B) -2075 kJ

C) Zero

D) －20.75 x 373/273 kJ

48 / 100

Category: Chemistry Ch 5 Class 11

Diameter of Hydrogen atom is?

105.8 x 10-2 A

1.061 A

0.55 A

131.3 x 10-2A

49 / 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+

50 / 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

51 / 100

Category: Chemistry Ch 9 Class 12

Benzene with nitrating mixture gives?

Nitro benzene

Nitro Toluene

Nitro methane

Acrylonitrile

52 / 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

53 / 100

Category: Chemistry Ch 8 Class 11

54 / 100

Category: Chemistry

CH3CN + NCI > A + B in presence of water in the above reaction A and B are

Acetic acid and methyl chloride

Acetic acid and ammonia

Acetic acid and ammonium chloride

Acetic acid and acid amide

55 / 100

Category: Chemistry Ch 9 Class 12

Boiling point of benzene is:

70.3

80.1

133

79.41

56 / 100

Category: Chemistry Ch 3 Class 11

The internal energy of an ideal gas depends upon its:

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

A) Molecular size

B) Pressure only.

C) Volume only

D) Temperature only

57 / 100

Category: Chemistry Ch 16 Class 12

Ozone absorbs

Radioactive radiations

All of these

58 / 100

Category: Chemistry Ch 7 Class 12

The coal used for domestic purposes is: –

Lignite

Anthracite

Bituminous

Sub bituminous

59 / 100

Category: Chemistry Ch 10 Class 11

The oxidation number of Br in Br2 is:

NTS 2019
Chemistry
Electrochemistry
Elimination Tool:

A) -1

B) -2

C) 0

D) +1

60 / 100

Category: Chemistry Ch 10 Class 12

Histidine acts as _____ in nature?

NUMS 2019 Cancelled
Chemistry
Alkyl Halides and Amines
Elimination Tool:

A) Acidic

B) Neutral

C) Basic

D) Acidic and Basic

61 / 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

62 / 100

Category: Chemistry Ch 1 Class 12

NaNO3 on heating gives:

NUMS 2015
Chemistry
Periodicity in Elements
Elimination Tool:

A) O2

B) NO2

C) O2 + NO2

D) NaNO2 + O2

63 / 100

Category: Chemistry Ch 14 Class 12

Which one is not true for H2SO4?

NTS 2012
Chemistry
Macromolecules
Elimination Tool:

A) Acid

B) Oxidizing agent

C) Nitrating agent

D) Dehydrating agent

64 / 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

65 / 100

Category: Chemistry Ch 8 Class 11

How will the equilibrium of the following reaction be affected if additional nitrogen is added?

N2(g) + 3H2(g)⇌ 2NH3(g)

NTS 2015 DUHS and JSMU
Chemistry
Chemical Equilibrium
Elimination Tool:

A) It will be shifted to the right.

B) It will be shifted to the left.

C) it will be unaffected.

D) The effect on the equilibrium cannot be determined without more information.

66 / 100

Category: Chemistry Ch 5 Class 12

Which of the following is bleaching powder’s formula?

Ca(CI0)4

Ca2(CI0)2

Ca (CI0)2

Ca (CI20)2

67 / 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

68 / 100

Category: Chemistry Ch 10 Class 11

Oxidation state of P in Mg2P3O5 Is

-2

-1

69 / 100

Category: Chemistry Ch 13 Class 12

Lysine is a
amino acid

Acidic

Basic

Neutral

Amphoteric

70 / 100

Category: Chemistry Ch 8 Class 11

If concentration of OH- Ions Is 0.1 molar. What Is the pH of the solution?

71 / 100

Category: Chemistry

Q.159 An aromatic compound that can obtained from coal tar is

A. Benzene

B. Toluene

C. Phenol

D. Diphenylmethane

72 / 100

Category: Chemistry Ch 1 Class 11

Limiting reactant controls the amount of _.

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

A) Reactant

B) Products

C) Both A&B

D) None of these

73 / 100

Category: Chemistry

The number of amino acids found in proteins that a human body can synthesize is:

NUMS Mock 1
Chemistry
Macromolecules

A) 12

B) 10

C) 5

D) 14

74 / 100

Category: Chemistry Ch 12 Class 12

Oxidation of alcohol converts it into?

Aldehyde

Tertiary Alcohol

Alkane

Carboxylic Acid

75 / 100

Category: Chemistry Ch 5 Class 12

Percentage of Chlorine present In bleaching powder Is:

5-10

20-25

35- 40

76 / 100

Category: Chemistry Ch 7 Class 11

One Calorie is equal to:

PMC 2020
Chemistry
Thermochemistry
Elimination Tool:

A) 4.18 KJ

B) 4.18 J

C) 0.418 KJ mol-1

D) 0.418 KJ

77 / 100

Category: Chemistry Ch 12 Class 12

What should be added to methane to produce HCN?

Ammonia

Nitrogen

Water

H+

78 / 100

Category: Chemistry Ch 9 Class 12

Hydrocarbons which burn with a smoky flame are called:

NUMS 2015
Chemistry
Hydrocarbons
Elimination Tool:

A) Aliphatic

B) Aromatic

C) Alicyclic

D) None of these

79 / 100

Category: Chemistry

Q.175 A compound has an empirical (simple) formula, C2lH20. If the experimental molecular weight is found to be in the range 16-17, the molecular formula of this compound is: (Atomic wt.: C= 12.1, H=1. 8, 0=16.)

A. C3H6O3

B .C4H4O2

C. C2H204

D. C6H6O3

80 / 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

81 / 100

Category: Chemistry Ch 8 Class 12

IUPAC Nomenclature of:

CH3 – CH = CH – CH2 – CH = CH2 is:

NTS 2011
Chemistry
Hydrocarbons
Elimination Tool:

A) 2 – pentene

B) 1 , 4 – hexadiene

C) 3 – methyl butane

D) 1, 3, 5 – heptatriene

82 / 100

Category: Chemistry Ch 2 Class 11

If the distribution co-efficient is small then the solute will:

Distribute itself equally

Flow down the mobile phase

Remain in mobile phase

Remain in stationary phase

83 / 100

Category: Chemistry

Copper is a typical transition metal. Its atomic number is 29. In which oxidation state does it have a partially filled orbital in d-subshell?

NUMS Mock 2
Chemistry
d and f Block Elements

A) Cu

B) Cu+

C) Cu-

D) Cu2+

84 / 100

Category: Chemistry Ch 3 Class 11

Comparative rates of diffusion of He and SO2 will be _______.

NTS 2012
Chemistry
States of Matter – Gases, Liquids and Solids
Elimination Tool:

A) 8

B) 2

C) 4

D) 16

85 / 100

Category: Chemistry

Q.77 H banding is not present in which of the following_____________?

A.DNA

B. proteins

C. Carbohydrates

D. Lipids

86 / 100

Category: Chemistry Ch 11 Class 11

The change in concentration of reactants or products per unit time is

PMC Sample 3
Chemistry
Reaction Kinetics
Elimination Tool:

A) rate constant

B) reaction speed

C) Rate of a reaction

D) All of these

87 / 100

Category: Chemistry

Which one of the following organic compounds have the least carbon-carbon bond length?

NUMS Mock 4
Chemistry
Hydrocarbons

A) Ethene

B) Ethane

C) Ethyne

D) Methane

88 / 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

89 / 100

Category: Chemistry Ch 1 Class 12

P2O5 is Hygroscopic powder which sublimes at:

NUMS 2015
Chemistry
Periodicity in Elements
Elimination Tool:

A) 260 Degree Celsius

B) 360 Degree Celsius

C) 630 Degree Celsius

D) 690 Degree Celsius

90 / 100

Category: Chemistry Ch 2 Class 12

Only two elements are present in:

NTS 2011
Chemistry
s and p Block Elements
Elimination Tool:

A) Period 1

B) Period 2

C) Period 3

D) Period 4

91 / 100

Category: Chemistry Ch 9 Class 11

Aqueous solutions of Iodine and Sodium hydroxide were mixed in a round bottom flask at 70 C. Following chemical reaction was carried out.

3I2 + 6 NaOH -> NaIO3 + NaI + H2O
This reaction is termed as;

UHS 2019
Chemistry
Solution and Colloids
Elimination Tool:

A) Redox reaction

B) Precipitation reaction

C) Substitution reaction

D) Free radical reaction

92 / 100

Category: Chemistry Ch 14 Class 12

Formula of fructose is:

C6H1206

C4H204n

C5H10O5

C5H10O6

93 / 100

Category: Chemistry

Which carbohydrate Is soluble in water?

Cellulose

Starch

Amylase

Fructose

94 / 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

95 / 100

Category: Chemistry Ch 1 Class 11

In combustion analysis method CO2 is absorbed by?

Mg(OH)2

KOH

Mg(CIO)2

None of thes

96 / 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

97 / 100

Category: Chemistry Ch 12 Class 12

Which of the following does not give iodoform test?

NUMS 2014
Chemistry
Aldehydes and Ketones
Elimination Tool:

A) Ethanol

B) Ethanal

C) Acetophenone

D) Benzophenone

98 / 100

Category: Chemistry Ch 11 Class 11

A catalyst is a substance which:

NUMS 2017
Chemistry
Reaction Kinetics
Elimination Tool:

A) Stops the reaction

B) Decreases the rate of reaction

C) Alters the rate of reaction

D) Increases the rate of reaction

99 / 100

Category: Chemistry

Transfer of heat from hot surroundings to a cold refrigerator is an example of:

NUMS Mock 4
Chemistry
Thermochemistry

A) Spontaneous reaction

B) Non-Spontaneous reaction

C) First law of thermodynamics

D) All of the above options are correct

100 / 100

Category: Chemistry Ch 14 Class 12

Common name of Octadecanoic acid is:

NTS 2016 DUHS & JSMU
Chemistry
Acids, Bases and Salts
Macromolecules
Elimination Tool:

A) Propionic acid

B) Stearic acid

C) Palmitic acid

D) Formic acid

Your score is

The average score is 51%

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Chemistry Practice Test 1

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