Chemistry Practice Tests 2

Created by Ali Durrani

NET Practice

Chemistry Practice Test 2

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1 / 100

Category: Chemistry Ch 2 Class 12

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

Na

Fe

Al

Ca

2 / 100

Category: Chemistry

Role of a catalyst in a chemical reaction is to:

NUMS Mock 3
Chemistry
Reaction Kinetics

A) Decreases yield of a reaction

B) Decreases rate of a reaction

C) Increase yield of product

D) Increase rate of a reaction

3 / 100

Category: Chemistry Ch 6 Class 11

Ionic, covalent and co-ordinate covalent bonds are simultaneously present in the molecular geometry of:

NTS 2017
Chemistry
Chemical Bonding
Elimination Tool:

A) Ammonia

B) Ammonium hydroxide

C) Hydrochloric acid

D) Water

4 / 100

Category: Chemistry

The shielding effect of inner electrons is responsible for:

NUMS Mock 3
Chemistry
Atomic Structure

A) Decreasing ionization energy

B) Having no effect on ionization energy

C) Increasing ionization energy

D) Increasing electronegativity

5 / 100

Category: Chemistry

Which of the following is locating agent?

NUMS Mock 1
Chemistry
Analytical Chemistry

A) H2S

B) CS2

C) Rubeanic acid

D) Ninhydrin

6 / 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

7 / 100

Category: Chemistry

Why is water added after the reduction process of aldehyde and ketone with LiAlH4?

NUMS Mock 4
Chemistry
Aldehydes and Ketones

A) Because water reacts violently with LiAlH4

B) Because water will protonate LiAlH4

C) Because water inhibits the process

D) Because it will result to alkenes

8 / 100

Category: Chemistry Ch 11 Class 12

Phenol is derived from?

Benzene

Carboxylic acid

Alcohols

Aliphatic compounds

9 / 100

Category: Chemistry Ch 2 Class 12

Sodium Is prepared by

Down's cell

Dutch's method

Castner-kellner process

Nelson's process

10 / 100

Category: Chemistry Ch 6 Class 11

An ionic compound is most likely to be formed when:

NUMS 2015
Chemistry
Chemical Bonding
Elimination Tool:

A) Ionization energy of A is high but electron affinity of B is low

B) The ionization energy of A is low but electron affinity of B is high

C) Both ionization energy of A and electron affinity of B are high

D) Both ionization energy of A and electron affinity of B are low

11 / 100

Category: Chemistry Ch 3 Class 12

) Which one of the following is metalloid?

C

Si

S

0

12 / 100

Category: Chemistry Ch 4 Class 11

The densities of liquids are much ________ than gases but ____ to solids.

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

A) smaller, closer

B) greater, closer

C) smaller, far away

D) greater, far away

13 / 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

14 / 100

Category: Chemistry Ch 9 Class 11

The reaction in which a molecule is broken down by Water is known as

Hydration

Salvation

Electrolysis

Hydrolysis

15 / 100

Category: Chemistry Ch 5 Class 12

Oxides of xenon are formed from:

XeF6

XeF4

XeF2

All of these

16 / 100

Category: Chemistry Ch 3 Class 11

950 torr corresponds to:

NTS 2010
Chemistry
States of Matter – Gases, Liquids and Solids
Elimination Tool:

A) 3.5 atm

B) 1 atm

C) 3 atm

D) 1.25 atm

17 / 100

Category: Chemistry Ch 9 Class 12

Friedel craft’s reaction gives?

Benzene

Nitrobenzene

Toluene

Alkene

18 / 100

Category: Chemistry

If concentration time graph of a reactant indicates a constant half life, then the order reaction with respect to that reactant is:

NUMS Mock 4
Chemistry
Reaction Kinetics

A) Zero order

B) Half order

C) Second order

D) First order

19 / 100

Category: Chemistry Ch 7 Class 12

C6H5C≡N and C6H5N≡C exhibits which type of isomerism:

NTS 2015 SMBBMC
Biology
Fundamental Principles of Organic Chemistry
Elimination Tool:

A) Functional group isomerism

B) Positional isomerism

C) Skeletal isomerism

D) Metamerism

20 / 100

Category: Chemistry Ch 15 Class 12

The unit ___ is commonly used by meteorologists

PMC Sample 3
Chemistry
Environmental Chemistry
Elimination Tool:

A) Bar

B) centibar

C) millibar

D) kilobar

21 / 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

22 / 100

Category: Chemistry Ch 6 Class 11

H2S is an example of ______ hydride.

NTS 2012
Chemistry
Chemical Bonding
Elimination Tool:

A) Ionic

B) Covalent

C) Complex

D) Metallic

23 / 100

Category: Chemistry Ch 1 Class 12

Which one of the following is acidic?

B(OH)3

Ca(OH)2

Mg(OH)3

NaOH

24 / 100

Category: Chemistry Ch 1 Class 12

Which orbitals take part in binding of transition elements

PMC Sample 1
Chemistry
Periodicity in Elements
Elimination Tool:

A) Outermost s orbital and p orbitals

B) Outermost d orbital and underlying half filled f-orbitals

C) Outermost p orbital and underlying half filled d-orbitals

D) Outermost s orbital and underlying half filled d-orbitals

25 / 100

Category: Chemistry Ch 4 Class 11

Covalent bond is stronger than hydrogen bond by:

10 times

20 times

30 times

50 times

26 / 100

Category: Chemistry Ch 10 Class 11

On balancing the following chemical equation: K2CrO4, + HCI –> KCI + 2CrCI3 + Cl2 + H2O The co-efficient with HCI will be?

12

14

13

16

27 / 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

28 / 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.

29 / 100

Category: Chemistry Ch 15 Class 12

The macronutrients for healthy plant growth are required in per acre.

5g — 200 g

5kg — 200 kg

5g — 2000kg

None of these

30 / 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

31 / 100

Category: Chemistry Ch 1 Class 12

Ionization energy decreases down the group, from top to bottom, due to:

UHS 2019
Chemistry
Periodicity in Elements
Elimination Tool:

A) Increase in atomic mass

B) Increase in shielding effect of the intervening electrons

C) Increase in proton number

D) Decrease in atomic size

32 / 100

Category: Chemistry Ch 3 Class 12

Borax bead test is used to separate:

) Metallic cations

Non-metallic cations

Metallic anions

Non-metallic anions

33 / 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

34 / 100

Category: Chemistry Ch 8 Class 11

Purification of table salt (NaCl) by passing HCl gas through its saturated aqueous solution is an example of:

PMC 2020
Chemistry
Chemical Equilibrium
Elimination Tool:

A) Law of mass action

B) Hess’s law

C) Common ion effect

D) Henry’s law

35 / 100

Category: Chemistry Ch 9 Class 11

Colligative Properties depend upon: a

Solute

Solvent

Both a and b

None of these

36 / 100

Category: Chemistry Ch 11 Class 11

Rate determining step of a chemical reaction which occur in more than one step depends upon the

PMC Sample 1
Chemistry
Reaction Kinetics
Elimination Tool:

A) fastest step

B) Slowest Step

C) catalyst used

D) Temperature of reaction

37 / 100

Category: Chemistry Ch 2 Class 12

Most abundant salt of sodium in nature is:

NTS 2017
Chemistry
s and p Block Elements
Elimination Tool:

A) NaNO3

B) Na2SO4

C) NaOH

D) NaCl

38 / 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

39 / 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

40 / 100

Category: Chemistry Ch 11 Class 11

As the concentration of reactant increases, the rate of reaction also increases, it is because:

NUMS 2018
Chemistry
Reaction Kinetics
Elimination Tool:

A) K.E. increases in molecules

B) Oscillation increases between molecules

C) Collisions frequency increases

D) Temperature of molecules increases

41 / 100

Category: Chemistry Ch 3 Class 12

The octahedral geometry of the complex [Co(NH3)6]2+ has hybridization:

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

A) Sp3d

B) Spd6

C) Sp3d2

D) Sp2d3

42 / 100

Category: Chemistry Ch 2 Class 12

Which of the following compounds is formed when sodium burns in excess of air?

NTS 2014
Chemistry
s and p Block Elements
Elimination Tool:

A) Na2O

B) Na2O3

C) Na2O2

D) NaO2

43 / 100

Category: Chemistry Ch 10 Class 12

Order of the reactivity of halogens during halogenation of alkanes is:

NUMS 2019 Reconduct
Chemistry
Alkyl Halides and Amines
Elimination Tool:

A) Cl2 > I2 > Br2

B) Br2 > I2 > Cl2

C) I2 > Cl2 > Br2

D) Cl2 > Br2 > I2

44 / 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

45 / 100

Category: Chemistry Ch 7 Class 11

Heat of vaporization of water is kcal/kg

574

674

474

364

46 / 100

Category: Chemistry Ch 10 Class 11

Current in electrolysis is carried through:

PMC Sample 3
Chemistry
Electrochemistry
Elimination Tool:

A) Free electrons

B) Positive Ions

C) Negative Ions

D) Both B and C

47 / 100

Category: Chemistry Ch 4 Class 11

The properties of liquid crystals are intermediate between crystals and:

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

A) Anisotropic liquids

B) Nematic liquids

C) Isotropic liquids

D) Liquids

48 / 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

49 / 100

Category: Chemistry Ch 16 Class 12

Ozone absorbs

UV

Radioactive radiations

IR

All of these

50 / 100

Category: Chemistry Ch 7 Class 11

Energy for the endothermic reaction is given a ____ value?

PMC Practice 1
Chemistry
Thermochemistry
Elimination Tool:

A) Positive

B) Negative

C) Zero

D) Neither positive nor negative

51 / 100

Category: Chemistry Ch 8 Class 12

Methane reacts with chlorine to form chloromethane. The catalyst used is?

NTS 2015 SMBBMC
Biology
Hydrocarbons
Elimination Tool:

A) Pb

B) Zn

C) HCl

D) Sunlight

52 / 100

Category: Chemistry Ch 8 Class 11

A system at equilibrium can be disturbed by:

NTS 2013
Chemistry
Chemical Equilibrium
Elimination Tool:

A) Concentration change

B) Pressure change

C) Temperature

D) All of the above

53 / 100

Category: Chemistry Ch 7 Class 12

78 g of a hydrocarbon occupies 22.414 ml of volume at S.T.P. The empirical formula of the hydrocarbon is CH. The molecular formula of this hydrocarbon is:

NUMS 2014
Chemistry
Fundamental Principles of Organic Chemistry
Stoichiometry
Analytical Chemistry
Elimination Tool:

A) C2H4

B) C6H6

C) C8H8

D) C4H4

54 / 100

Category: Chemistry Ch 11 Class 12

Which of the following is more soluble in water?

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

A) Ethanol

B) Phenol

C) Hexanol

D) Dimethyl ether

55 / 100

Category: Chemistry Ch 1 Class 12

By increasing which of the following factor polarizability increases?

PMC Practice 1
Chemistry
Periodicity in Elements
Elimination Tool:

A) Atomic radius

B) Ionization energy

C) Ionic radius

D) Hydration energy

56 / 100

Category: Chemistry Ch 16 Class 12

Which one is correct about Incineration of Industrial waste?

Ash buried in sea water.

Secondary chamber is maintained at temperature range 650 C to 1100 C

Smoke stacks emit oxides of nitrogen and carbo

Solids wastes are the significant sources of dioxins

57 / 100

Category: Chemistry Ch 14 Class 12

Adipic acid and Hexamethylene dlamine combine to form?

Nylon-6,6

Epoxy Resin

Polystyrene

Polyvinyl chloride

58 / 100

Category: Chemistry Ch 6 Class 11

In period, moving from left to right

Electro negativity decreases

ElectronegativIty Increases

Electro negativity remains same

None of these

59 / 100

Category: Chemistry Ch 2 Class 12

Hydrides which are prepared by passing hydrogen gas over hot alkali metals or alkaline earth metals are called:

NTS 2011
Chemistry
s and p Block Elements
Elimination Tool:

A) Covalent hydrides

B) Ionic hydrides

C) Complex hydrides

D) Metallic hydrides

60 / 100

Category: Chemistry Ch 7 Class 12

Na, Ca & Mg are

Organic

Inorganic non-metals

) Inorganic metals

Organic metals

61 / 100

Category: Chemistry Ch 4 Class 11

The e/m value is maximum for _____ gas becauseof _____ value of “m” for positive rays obtained from it.

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

A) Oxygen gas, lowest

B) Hydrogen gas, highest

C) Hydrogen gas, lowest

D) Helium gas, highest

62 / 100

Category: Chemistry Ch 1 Class 11

Which of the following represents Empirical Formula of Glucose?

CH2O

CHO

C2H0

CHO2

63 / 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

64 / 100

Category: Chemistry Ch 10 Class 12

SN2 can be best carried out with:

NUMS 2015
Chemistry
Alkyl Halides and Amines
Elimination Tool:

A) Primary alkyl halide

B) Secondary alkyl halide

C) Tertiary alkyl halide

D) All of the above

65 / 100

Category: Chemistry Ch 1 Class 11

Find the mass in grams of 1.69 mol of phosphoric acid.

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

A) 165.6 g

B) 157 g

C) 148 g

D) 138 g

66 / 100

Category: Chemistry

Which of the following reagents will reduce butanoic acid to butanol?

NUMS Mock 1
Chemistry
Carboxylic Acids and its Derivatives

A) LiAlH4

B) LiAlH4.H2O

C) Mg(BH4)2

D) All of the above

67 / 100

Category: Chemistry Ch 13 Class 12

Which of the following acid solutions is used for the seasoning of food?

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

A) Butyric acid

B) Phthalic acid

C) Lactic acid

D) Acetic acid

68 / 100

Category: Chemistry Ch 3 Class 11

A child’s balloon has a volume 3.80 dm3, when the temperature is 35°C. If the balloon is put in a refrigerator and cooled to 5°c, the approximate volume of the balloon is (assume pressure inside the balloon is equal to atmospheric pressure):

NTS 2011
Chemistry
States of Matter – Gases, Liquids and Solids
Elimination Tool:

A) 3.00 dm3

B) 3.43dm3

C) 3.08 dm3

D) 3.25 dm3

69 / 100

Category: Chemistry Ch 7 Class 12

Propyl Acetate and valeric acid are which type of isomers

NUMS 2018
Chemistry
Fundamental Principles of Organic Chemistry
Elimination Tool:

A) Tautomers

B) Functional

C) Position

D) Metamers

70 / 100

Category: Chemistry Ch 7 Class 11

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

NUMS 2014
Chemistry
Thermochemistry
Elimination Tool:

A) Spontaneous reaction

B) Non-Spontaneous reaction

C) First law of thermodynamics

D) All of the above options are correct

71 / 100

Category: Chemistry

Which enthalpy change is relevant in the following process

Na(s) -> Na (g) ΔH = +107

NUMS Mock 2
Chemistry
Thermochemistry

A) Enthalpy of atomization

B) Enthalpy of fusion

C) Enthalpy of vaporization

D) Enthalpy of formation

72 / 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

73 / 100

Category: Chemistry

Q.100 Which of the following is typical transition element?

A. Zn

B.Cd

C.Cu

D. Hg

74 / 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

75 / 100

Category: Chemistry Ch 15 Class 12

Fractions of crude petroleum can be obtained by using ___________.

PMC Practice 3
Chemistry
Industrial Chemistry
Elimination Tool:

A) Destructive distillation

B) Fractional distillation

C) Vacuum distillation

D) Distillation

76 / 100

Category: Chemistry Ch 10 Class 11

Oxidation is defined as:

) loss of electron

Gain of electron

Gain of oxygen

Both a and c

77 / 100

Category: Chemistry Ch 2 Class 12

Commercial hydrogen is obtained from:

NTS 2015 DUHS and JSMU
Chemistry
s and p Block Elements
Elimination Tool:

A) coal gas

B) oil gas

C) marsh gas

D) producer gas

78 / 100

Category: Chemistry

Q.154 Fractions of Crude petroleum can be obtained by using

A. Destructive distillation

B. Fractional distillation

C. Vacuum distillation

D. Distillation

79 / 100

Category: Chemistry Ch 5 Class 11

Which of the following fundamental particles have the same mass/kg?

NUMS 2020
Chemistry
Atomic Structure
Elimination Tool:

A) Electron, neutrino

B) Electron, proton

C) Proton, neutrino

D) Neutron, proton

80 / 100

Category: Chemistry Ch 4 Class 12

Which member of 5A group has no stable isotope?

Phosphorous

Bismuth

Nitrogen

Arsenic

81 / 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

82 / 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

83 / 100

Category: Chemistry

Q.92 The correct statement about 2px and 2pz is

A. Both are shells of same atom

B. Both are degenerate orbitals

C. Both subshell have same energy

D. Both orbitals are parallel to each other

84 / 100

Category: Chemistry Ch 3 Class 12

Burning of amorphous Boron in air forms

B(OH)3

B203

BN

Mixture of B203& BN

85 / 100

Category: Chemistry Ch 13 Class 12

Which of the following is branched amino acid?

a

b

c

all of these

86 / 100

Category: Chemistry

Q.15 In NaCl crystal, chloride ions present at the face center are distributed in

A. One Unit Cell

B. 8 Unit cells

C. 4 Unit cells

D. 2 Unit cells

87 / 100

Category: Chemistry Ch 14 Class 12

Three different polymers are polymerized to form

Copolymer

Terpolymer

Homopolymer

None of these

88 / 100

Category: Chemistry Ch 14 Class 12

Harmful and undesirable reaction of a metal when exposed to the atmosphere or any chemical agent is known as:

NTS 2010
Chemistry
Macromolecules
Elimination Tool:

A) Allotropy

B) Electroplating

C) Collision

E) Corrosion

89 / 100

Category: Chemistry Ch 12 Class 12

Formaldehyde is Industrially Prepared from:

Methanol

Ethyl alcohol

Methyl alcohol

Oxidation of ethylene

90 / 100

Category: Chemistry

Q.178 Which type of bonds are break during cracking?

A. C-C

B.C-H

C. Both C-C and C-H

D. C-O

91 / 100

Category: Chemistry Ch 2 Class 12

The chemical name of the baking powder is:

NTS 2011
Chemistry
s and p Block Elements
Elimination Tool:

A) Sodium carbonate

B) Sodium bicarbonate

C) Sodium hydrogen carbonate

D) Sodium hydroxide

92 / 100

Category: Chemistry

The influence of temperature on reaction rate is predicted by:

NUMS Mock 1
Chemistry
Reaction Kinetics

A) Free energy change

B) Van Der Waals equation

C) Arrhenius equation

D) Kinetic equation

93 / 100

Category: Chemistry

Q86 : Which of the following is most ionic in nature

A. Sodium chloride

B. Sodium fluoride

C. Sodium bromide

D. Sodium iodide

94 / 100

Category: Chemistry Ch 14 Class 12

Ethylene is a monomer of polyethylene that is widely used as raw material for manufacturing plastics. It can be polymerized into two different classes: HDPE and LDPE. The following choices are the differences of HDPE and LDPE except:

NUMS 2019 Cancelled
Chemistry
Macromolecules
Elimination Tool:

A) The density

B) The branching of ethylene

C) Reaction conditions

D) Type of polymerization

95 / 100

Category: Chemistry Ch 5 Class 11

The atomic number Z of an atom represents the:

NTS 2018
Physics
Atomic Structure
Elimination Tool:

A) Number of protons

B) Number of electrons and protons

C) Number of neutrons

D) Sum of protons and neutrons

96 / 100

Category: Chemistry Ch 5 Class 11

The lightest positive rays obtained is from:

NUMS 2020
Chemistry
Atomic Structure
Elimination Tool:

A) Hydrogen gas

B) Helium

C) Neon

D) Air

97 / 100

Category: Chemistry Ch 10 Class 12

The term “Nucleophile” means:

Nucleus Loving

Nucleus hating

Amphiphilic

None of these

98 / 100

Category: Chemistry Ch 1 Class 11

In the ion-electron method of balancing equations, how oxygen is balanced?

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

A) O is balanced by adding H₂O

B) O is balanced by adding OH

C) All of these

D) O is balanced by adding O₂

99 / 100

Category: Chemistry Ch 13 Class 12

Hydrolysis of Nitriles produces:

NUMS 2020
Chemistry
Carboxylic Acids and its Derivatives
Elimination Tool:

A) Carboxylic acid

B) Aldehydes

C) Ketones

D) Esters

100 / 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

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