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 3 Class 11

All the gasses at 212.44 cm3 have

Same mass

Different mass

Can't be predicted

None of these

2 / 100

Category: Chemistry Ch 4 Class 11

Which of the following bonds Is the weakest?

Ionic

Covalent

Dative Covalent

Hydrogen bonding

3 / 100

Category: Chemistry Ch 9 Class 11

At 25 C, the equivalent conductance at infinite dilution of HCl solution is 425 ohm 1 cm 2 Equiv 1 while its specific conductance is 3.825 ohm 1 cm 1. If the apparent degree of dissociation is 90%, the normality of the solution is:

NUMS 2016
Chemistry
Solution and Colloids
Elimination Tool:

A) 0.9 N

B) 1.0 N

C) 1.1 N

D) 1.2 N

4 / 100

Category: Chemistry Ch 14 Class 12

_____ is a macromolecule found in blood.

PMC Practice 2
Chemistry
Macromolecules
Elimination Tool:

A) Hemoglobin

B) Plasma

C) Creatinine

D) Plasmids

5 / 100

Category: Chemistry

Q.136 SN reactions are favored by which of the following reactions?

A. Water

B. Benzene

C. Carbon Tetrachloride

D. Carbon disulphide

6 / 100

Category: Chemistry Ch 11 Class 12

Phenol reacts with CH3COCl to give:

NUMS 2019 Reconduct
Chemistry
Alcohols, Phenols and Ethers
Elimination Tool:

A) Acid

B) Ester

C) Alcohol

D) Aldehyde

7 / 100

Category: Chemistry Ch 3 Class 12

The color of transition metal complexes is due to transition of electrons between:

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

A) p to d orbitals

B) d to d orbitals

C) p to p orbitals

D) d to p orbitals

8 / 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

9 / 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

10 / 100

Category: Chemistry Ch 5 Class 11

Quantum number values for ‘2p’ orbitals are:

PMC 2020
Chemistry
Atomic Structure
Elimination Tool:

A) n=2, l=1

B) n=1, l=2

C) n=1, l=0

D) n=2, l=0

11 / 100

Category: Chemistry

An electron is suited midway between two parallel plates 0.5cm apart. One of the plates is maintained at a potential of 60 volts above the other. The force on the electron is (e=-1.6×10-19)

NUMS Mock 4
Physics
Electrostatics

A) 1.82×10-15 N

B) 3.00×10-16 N

C) 1.92×10-15 N

D) 3.00×10-15 N

12 / 100

Category: Chemistry Ch 10 Class 12

In general formula of alkyl halide RX, X represents ________

PMC Sample 1
Chemistry
Alkyl Halides and Amines
Elimination Tool:

A) Noble gases

B) Halogens

C) Metals

D) Metalloids

13 / 100

Category: Chemistry Ch 11 Class 12

25 to 35 degree centigrade temperature is good for which of the following process?

Dow's method

Preparation of formalin

Fermentation

Methanol

14 / 100

Category: Chemistry Ch 16 Class 12

Chloro-fluoro carbons cause

Radiations pollution

Water pollution

Air pollution

Soil pollution

15 / 100

Category: Chemistry Ch 4 Class 11

Atoms in solids are

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

A) Loosely Packed

B) In random motion

C) Excited

D) Closely packed

16 / 100

Category: Chemistry Ch 10 Class 12

Elimination from 2 – bromobutane results in:

NUMS 2018
Chemistry
Alkyl Halides and Amines
Elimination Tool:

A) Equimolar mixture of 1 and 2 – butene

B) Predominantly 2 – butene

C) Predominantly 1- butane

D) 2 – butyne

17 / 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

18 / 100

Category: Chemistry Ch 4 Class 12

Which of the following does not occur in Free State?

Nitrogen

Phosphorous

Oxygen

Sulphur

19 / 100

Category: Chemistry Ch 2 Class 11

The efficiency of chemical reaction can be expressed as:

PMC 2020
Chemistry
Stoichiometry
Elimination Tool:

A) Theoretical yield

B) Actual yield

C) % yield

D) Maximum yield

20 / 100

Category: Chemistry Ch 9 Class 12

How many chain isomers are possible for the alkane C6H14?

NTS 2016 SMBBMC
Chemistry
Hydrocarbons
Elimination Tool:

A) six

B) five

C) four

D) nine

21 / 100

Category: Chemistry Ch 4 Class 12

The geometry of the complex compounds usually depends upon:

PMC 2021 Tested
Chemistry
d and f Block Elements
Elimination Tool:

A) All of the given choices

B) Hybridization of central metal

C) Type of ligands

D) Types of hybridization in the elements of ligands

22 / 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

23 / 100

Category: Chemistry Ch 7 Class 12

Which of the following is not an isomer of other three:

2,2-Dimethyl pentane

2-Methylhexane

2,3- Dimethyl pentane

2,2- Dimethyl butane

24 / 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

25 / 100

Category: Chemistry Ch 10 Class 12

Which catalyst is used in the preparation of alkyl halide from alcohols?

PMC Sample 2
Chemistry
Alkyl Halides and Amines
Elimination Tool:

A) Zinc chloride

B) Pyridine

C) Sodium chloride

D) Thionyl chloride

26 / 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

27 / 100

Category: Chemistry Ch 13 Class 12

In the case of HOCH2CH2CH2COOH, from where is numbering started?

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

A) OH group is given number 1 position

B) Carboxylic acid is given number 1 position

C) COOH is given number 3 position

D) COOH is given number 4 position

28 / 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

29 / 100

Category: Chemistry Ch 1 Class 12

Which of the following statements about H2S is false?

NTS 2017
Chemistry
Periodicity in Elements
Elimination Tool:

A) It is a covalent compound

B) It is a gas with bad smell

C) It is a stronger reducing agent than H2O

D) It is a weak base in water

30 / 100

Category: Chemistry Ch 5 Class 11

Which of the following does not show variable valency?

NUMS 2015
Chemistry
Atomic Structure
Elimination Tool:

A) Mn

B) Fe

C) Zn

D) Cr

31 / 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

32 / 100

Category: Chemistry Ch 14 Class 12

The polymer containing acrylonitrile as a monomer is:

PMC 2021 Tested
Chemistry
Macromolecules
Elimination Tool:

A) Polyacrylonitrile

B) Rayon fibre

C) PVC

D) Teflon

33 / 100

Category: Chemistry

Le Chatelier Principle is about:

NUMS Mock 1
Chemistry
Chemical Equilibrium

A) Reaction Mixture

B) Reactants

C) Equilibrium Mixture

D) Products

34 / 100

Category: Chemistry Ch 9 Class 12

In composition of natural gas, 0.17% is constituted by:

NUMS 2018
Chemistry
Hydrocarbons
Elimination Tool:

A) Methane

B) Ethane

C) Butane

D) Nitrogen

35 / 100

Category: Chemistry Ch 3 Class 11

Which of the following solids is an example of a substance with a macromolecular structure?

NUMS 2016
Chemistry
States of Matter – Gases, Liquids and Solids
Elimination Tool:

A) Aluminium chloride

B) Ice

C) Magnesium oxide

D) Silicon (IV) oxide

36 / 100

Category: Chemistry

Q.70 To prepare a buffer with pH close to 9, the mixture used would be

A. CH3COOH + CH3COONa

B. NaHCO3 + H2CO3

C. H3PO4 + NaH2PO4

D. NH4OH + NH4Cl

37 / 100

Category: Chemistry

Q.145 Activator of phosphatase enzyme

A. Mn2+

B. Mg2-

C. Zn

D. None of these

38 / 100

Category: Chemistry Ch 9 Class 11

12% W/W alcohol In water solution contains water:

100 cm3

12 cm3

88 cm3

112 cm3

39 / 100

Category: Chemistry Ch 13 Class 12

Which one has fruity smell?

Alcohol

Ethers

Esters

Carboxylic Acids

40 / 100

Category: Chemistry Ch 6 Class 11

Electronegativity is defined as the power of an atom in a molecule to

Repel electrons towards itself

Attract electrons towards itself

Expand itself

All of the above

41 / 100

Category: Chemistry Ch 2 Class 11

Water and mercury can be separated by:

Evaporation

Sublimation

Filtration

Solvent extraction

42 / 100

Category: Chemistry Ch 4 Class 11

If electrons are loosely packed then:

The boiling point of solid Is high

The solid conducts electricity

They add to the solidity

The melting Point of solid is high

43 / 100

Category: Chemistry

Q.99 The ionic compound with the highest lattice energy is

A. NaF

B. NaCl

C. NaBr

D. NaI

44 / 100

Category: Chemistry Ch 13 Class 12

Which of the following is not an aromatic compound)

Picric

Phthalic acid

Tartaric acid

Salicylic acid

45 / 100

Category: Chemistry

Q.28 Fuels with higher octane number can be produce by_________?

A. Cracking

B. Reforming

C. Decomposition

D. Isomerisation

46 / 100

Category: Chemistry Ch 2 Class 12

Sodium Is prepared by

Down's cell

Dutch's method

Castner-kellner process

Nelson's process

47 / 100

Category: Chemistry Ch 5 Class 11

Breaking of neutron produces?

Electron, proton and neutrino

Electron, positron and neutrino

Proton and positron

Alpha particles

48 / 100

Category: Chemistry Ch 1 Class 12

Smallest element in the periodic table is?

Hydrogen

Fluorine

Lithium

Uranium

49 / 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

50 / 100

Category: Chemistry Ch 2 Class 11

Which of the following is the chemical formula of a compound indicating the relative number of atoms in the simplest ratio?

NTS 2016 SMBBMC
Chemistry
Stoichiometry
Elimination Tool:

A) Empirical formula

B) Empirical formula mass

C) Molecular formula

D) Molecular mass

51 / 100

Category: Chemistry Ch 8 Class 11

Buffer capacity depends upon

pOH

Remains same

Both a and b

52 / 100

Category: Chemistry

Carboxylic acids can be reduced to corresponding alcohols. Which of the following reagent can be used for this purpose?

NUMS Mock 2
Chemistry
Carboxylic Acids and its Derivatives

A) KMnO4

B) LiAlH4

C) K2Cr2O4

D) H2SO4

53 / 100

Category: Chemistry Ch 1 Class 12

In Contact Process arsenic impurities act as poison for:

NUMS 2019 Reconduct
Chemistry
Periodicity in Elements
Elimination Tool:

A) Fe(OH)3

B) V2O5

C) Fe2O3

D) H2S2O7

54 / 100

Category: Chemistry

The carbonates of alkali metals are soluble in water except:

NUMS Mock 3
Chemistry
s and p Block Elements

A) K2CO3

B) Li2CO3

C) Na2CO3

D) Rb2CO3

55 / 100

Category: Chemistry Ch 2 Class 12

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

NUMS 2020
Chemistry
s and p Block Elements
Elimination Tool:

A) BaCO3

B) MgCO3

C) CaCO3

D) SrCO3

56 / 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

57 / 100

Category: Chemistry Ch 15 Class 12

What is used in cement manufacture?

Limestone

Starch

Potassium Oxide

Both a and b

58 / 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

59 / 100

Category: Chemistry Ch 8 Class 11

For a gaseous phase reaction, when number of moles of reactants and products are equal:

PMC 2020
Chemistry
Chemical Equilibrium
Elimination Tool:

A) The values of Kp and Kc are different

B) The value of Kp is greater than Kc

C) The value of Kc is greater than Kp

D) The values of Kp and Kc are the same

60 / 100

Category: Chemistry

Strongest acid among the following is:

NUMS Mock 3
Chemistry
Carboxylic Acids and its Derivatives

A) HCOOH

B) CH3COOH

C) (CH3)2 CHCOOH

D) (CH3)3CCOOH

61 / 100

Category: Chemistry Ch 4 Class 12

Gas which has percentage equal to 78% In air Is the

Oxygen

Hydrogen

Carbon dioxide

Nitrogen

62 / 100

Category: Chemistry

Q.96 If increase in temperature and volume of an ideal gas is two times, then the initial pressure p charge to

A. 4P

B. 2P

C. P

D. 3P

63 / 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

64 / 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

65 / 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

66 / 100

Category: Chemistry Ch 6 Class 11

Sigma bond is formed by:

NTS 2010
Chemistry
Chemical Bonding
Elimination Tool:

A) Transferring the electrons

B) Head-on overlapping of atomic orbitals

C) Mutual but unequal sharing of electrons

D) Parallel overlapping of atomic orbitals

67 / 100

Category: Chemistry Ch 15 Class 12

Which of the following is secondary pollutant?

NUMS 2019 Reconduct
Chemistry
Environmental Chemistry
Elimination Tool:

A) CO

B) SO2

C) PAN

D) NO2

68 / 100

Category: Chemistry Ch 8 Class 12

Catenation is a process in which carbon shows the properties of:

NTS 2010
Chemistry
Hydrocarbons
Elimination Tool:

A) Making single bond

B) Hybridization

C) Making chains or rings of carbon atoms

D) Isomerism

69 / 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

70 / 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

71 / 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

72 / 100

Category: Chemistry

Q.172 Dipole forces has direct relation with the

A. Chemical properties of a substance

B. Kinetic properties of substance

C. Thermodynamic properties of substance

D. Nature of substance

73 / 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

74 / 100

Category: Chemistry Ch 10 Class 11

Two half cells of a galvanic cell are connected with a salt bridge, the electrons flow from:

Anode to cathode through external circuit

Cathode to anode through external circuit

Anode to cathode through salt bridge

Cathode to anode through salt bridge

75 / 100

Category: Chemistry Ch 12 Class 12

Paraldehyde is formed by:

Formaldehyde

Acetaldehyde

Acetone

None of these

76 / 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

77 / 100

Category: Chemistry Ch 3 Class 11

A graph between volume and temperature gives a straight line which cuts the temperature axis at:

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

A) 0 C

B) 273 C

C) 546 C

D) -273 C

78 / 100

Category: Chemistry Ch 3 Class 11

The stability of ionic crystal depends principally on:

NTS 2014
Chemistry
States of Matter – Gases, Liquids and Solids
Elimination Tool:

A) High electron affinity of anion forming species

B) Lattice energy of crystal

C) Low Ionization energy of cation forming species

D) Low heat of sublimation of cation forming solid

79 / 100

Category: Chemistry Ch 14 Class 12

The alloy Duralumin is composed of ______ of Al.

NTS 2018
Chemistry
Macromolecules
Elimination Tool:

A) 95%

B) 90%

C) 85%

D) 80%

80 / 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

81 / 100

Category: Chemistry

Q.96 Heat supplied at constant pressure equals to

A. Activation Energy

B. Internal energy change

C. Entropy

D. EnthalpyM

82 / 100

Category: Chemistry

By treating CO2 with Grignard’s reagent, the following compound is obtained;

NUMS Mock 2
Chemistry
Carboxylic Acids and its Derivatives

A) Aromatic compounds

B) Alcohols

C) Carboxylic acid

D) Ethers

83 / 100

Category: Chemistry Ch 8 Class 11

Which statement about the following equilibrium is correct?

2SO2 (g) + O2(g) ⇌ 2SO3(g) ΔH= – 395 KJ/ mole

NTS 2019
Chemistry
Chemical Equilibrium
Elimination Tool:

A) The value of Kp falls, with a rise in temperature

B) The value of Kp falls with an increase in pressure

C) The value of Kc is equal to Kp

D) The value of Kc remains constant with rise in temperature.

84 / 100

Category: Chemistry Ch 4 Class 11

Liquid in the container has a temperature 70°C. What will be the temperature on the Kelvin scale?

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

A) 350 K

B) 343 K

C) 300 K

D) 283 K

85 / 100

Category: Chemistry Ch 2 Class 12

Caster kellners cell evaporated has replaced __________ because the Caster Kellner process evaporates__________?

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

A) Gibbs diaphragm… mercury

B) Iron box… aluminium

C) Pyrites burners… oleum

D) Nelson's cell…. Chlorine

86 / 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

87 / 100

Category: Chemistry Ch 2 Class 12

Densities of alkali metals are low due to:

PMC 2020
Chemistry
s and p Block Elements
Elimination Tool:

A) Weak intermolecular forces

B) Large atomic volume

C) Smaller size

D) Ns1 configuration

88 / 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

89 / 100

Category: Chemistry Ch 14 Class 12

Allotropes are of same?

PMC Practice 2
Chemistry
Macromolecules
Elimination Tool:

A) Compounds

B) Molecules

C) Ions

D) Elements

90 / 100

Category: Chemistry Ch 15 Class 12

Aluminium nitrate is not used for ai

Corn

Cotton

Rice

Wheat

91 / 100

Category: Chemistry Ch 13 Class 12

High molecular mass organic compounds, upon hydrolysis yield amino acids are called _______.

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

A) Carbohydrates

B) Lipids

C) Proteins

D) DNA

92 / 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

93 / 100

Category: Chemistry Ch 8 Class 11

Which of the following reaction has greater Kp than Kc?

PMC 2020
Chemistry
Chemical Equilibrium
Elimination Tool:

A) 2NO + Cl2 2NOCl

B) 2SO2 + O2 2SO3

C) 2NOCl 2NO + Cl2

D) N2 + 3H2 2NH3

94 / 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

95 / 100

Category: Chemistry

Q.148 Acetaldehyde undergoes polymerization with conc.HasO and form?

A. Acetylides

B. Paraldehyde

C. Bakelite

D. Meta Acetaldehyde

96 / 100

Category: Chemistry Ch 13 Class 12

Which of the following is branched amino acid?

all of these

97 / 100

Category: Chemistry Ch 12 Class 12

Butanone on oxidation with K2Cr2O7 / H2SO4 forms:

NUMS 2020
Chemistry
Aldehydes and Ketones
Elimination Tool:

A) Acetic acid

B) Acetic acid & Ethane

C) Methane & Propanoic acid

D) Propanoic acid & Methanoic acid

98 / 100

Category: Chemistry Ch 3 Class 12

Which one of the following is an acid?

H3BO3

Al(0H)3

Ca(0H)2

NaOH

99 / 100

Category: Chemistry Ch 13 Class 12

Carboxylic acids form dimers due to _________.

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

A) Small sizes

B) Polarity of C-O bond

C) H-bonding

D) Dipole-Dipole interactions

100 / 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

Your score is

The average score is 57%

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