Chemistry Practice Tests 5

Created by Ali Durrani

NET Practice

Chemistry Practice Test 5

This is the Free Access to Limited MCQs. Enroll to PLS Boost Premium Bundle to Get More MCQs HERE

1 / 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

2 / 100

Category: Chemistry

Q.21 SN reaction is a_______________?

A. Multistep reaction

B. Two step reactions

C. Concerted reaction

D. 3 step reaction

3 / 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

4 / 100

Category: Chemistry Ch 9 Class 12

The carbon number of gasoline is:

NTS 2019
Chemistry
Hydrocarbons
Elimination Tool:

A) C5 – C6

B) C6 – C7

C) C5 – C10

D) C12 – C15

5 / 100

Category: Chemistry Ch 7 Class 12

Which process is used to produce volatile compounds?

Reforming

Cracking

Polymerization

Distillation

6 / 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

7 / 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

8 / 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

9 / 100

Category: Chemistry Ch 2 Class 12

When Gypsum is heated to about 100° C, it losses some water of crystallization and becomes:

NTS 2011
Chemistry
States of Matter – Gases, Liquids and Solids
s and p Block Elements
Elimination Tool:

A) Epsom salt

B) Kieserite

C) Plaster of Paris

D) Bleaching Powder

10 / 100

Category: Chemistry Ch 4 Class 12

Which one of the following Is a vulcanizing agent?

Sodium

Iron

Sulphur

Potassium

11 / 100

Category: Chemistry Ch 5 Class 11

Which of the following does not have an inert gas configuration?

NUMS 2015
Chemistry
Atomic Structure
Elimination Tool:

A) Na+

B) Cu+

C) K+

D) S2-

12 / 100

Category: Chemistry Ch 14 Class 12

Which one of the following compounds is an additional polymer?

UHS 2019
Chemistry
Macromolecules
Elimination Tool:

A) Polyvinyl chloride

B) Nylon

C) Carbohydrate

D) Polyester

13 / 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

14 / 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

15 / 100

Category: Chemistry Ch 6 Class 12

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

Ag

Au

Cu

All of these

16 / 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

17 / 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.

18 / 100

Category: Chemistry Ch 11 Class 11

The rate of a chemical reaction is directly proportional to the product of active masses of the reactants, it is referred to as:

NTS 2018
Chemistry
Reaction Kinetics
Elimination Tool:

A) Law of conservation of energy

B) Law of mass action

C) Law of conservation of mass

D) Active mass law

19 / 100

Category: Chemistry Ch 16 Class 12

Which of the following is a water cleaning halogen?

CI

Br

F

I

20 / 100

Category: Chemistry

Example of nucleophile is:

NUMS Mock 3
Chemistry
Fundamental Principles of Organic Chemistry

A) BF3

B) SO3

C) AlCl3

D) CN

21 / 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

22 / 100

Category: Chemistry Ch 10 Class 12

Catalyst used in reaction CHCl3+ ½ O2→ COCl2+ HCl is ________ and its nature is _______.

NTS 2014
Chemistry
Alkyl Halides and Amines
Elimination Tool:

A) 5% methyl alcohol … negative

B) 2% Ethyl alcohol … negative

C) V2O5… positive

D) Al2O3….. negative

23 / 100

Category: Chemistry Ch 10 Class 11

The electrolyte used in fuel cell is:

NUMS 2019 Reconduct
Chemistry
Electrochemistry
Elimination Tool:

A) KOH

B) NaCl (aq)

C) NaNO3

D) Molten NaCl

24 / 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

25 / 100

Category: Chemistry Ch 8 Class 11

In the reaction;

H2 + CO2 H2O + CO

The decrease in the concentration of reactants and products cause the equilibrium to shift:

NUMS 2020
Chemistry
Chemical Equilibrium
Elimination Tool:

A) Towards left

B) Towards right

C) Nothing happens to the equilibrium

D) Equilibrium will shift towards both the directions

26 / 100

Category: Chemistry Ch 11 Class 11

Which of the following statements best describes how a catalyst works

NUMS 2018
Chemistry
Reaction Kinetics
Elimination Tool:

A) A catalyst changes the potential energies of the reactants and products

B) A catalyst decreases the temperature of the reaction which leads to a faster rate

C) A catalyst lowers the activation energy barrier for the reaction by providing a different reaction mechanism.

D) A catalyst raises the activation energy for the reaction which produces a faster rate

27 / 100

Category: Chemistry

Q.142 In the production of wrought iron Mg Si and P are removed in the form of

A. Oxides

B. Silicates

C. Slag

D. Carbonates

28 / 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

29 / 100

Category: Chemistry Ch 10 Class 12

RMgX is an organometallic compound, generally known as:

NTS 2012
Chemistry
Alkyl Halides and Amines
Elimination Tool:

A) Grignard's Reagent

B) Baeyer's Reagent

C) Ether

D) Ester

30 / 100

Category: Chemistry Ch 3 Class 12

Which of the following is used to make container for nitric acid?

iron

Plastic

Alumuium

Helim

31 / 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

32 / 100

Category: Chemistry Ch 4 Class 12

Ligands having two lone pair of electrons for donation to the central transition metal ion are known as:

UHS 2018
Chemistry
d and f Block Elements
Elimination Tool:

A) Polydentate ligands

B) Monodentate ligand

C) Bidentate ligands

D) Hexadentate ligands

33 / 100

Category: Chemistry

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

A.DNA

B. proteins

C. Carbohydrates

D. Lipids

34 / 100

Category: Chemistry Ch 1 Class 11

Actual yield is always less than theoretical yield due to

PMC Practice 29
Chemistry
Introduction to Fundamental Concepts of Chemistry
Elimination Tool:

A) operational losses

B) reaction reversibility

C) side reaction

D) all of these

35 / 100

Category: Chemistry Ch 9 Class 11

An ideal solvent dissolves maximum solute at?

Boiling point

At room temperature

Saturation point

At Freezing point

36 / 100

Category: Chemistry Ch 9 Class 11

The number of moles of solute dissolved per dm) of the solution is called

Molarity

Molality

Motality

Mole fraction

37 / 100

Category: Chemistry Ch 12 Class 12

Odour of formaldehyde Is:

Pungent

Aromatic

c) Pleasant

Obnoxious

38 / 100

Category: Chemistry Ch 9 Class 11

Colloidal particles can be separated by using:

ETEA 2017
Chemistry
Solution and Colloids
Elimination Tool:

A) Ordinary filter paper

B) Coarse filter paper

C) Fine Filter paper

D) Extremely fine filter paper

39 / 100

Category: Chemistry Ch 1 Class 12

Why transition metals have strong metallic bonding?

PMC Sample 1
Chemistry
Periodicity in Elements
Elimination Tool:

A) Because of high melting point

B) Because d-electrons of outer shell take part in bonding

C) Because s-electrons of outer shell take part in bonding

D) Both s and d electrons takes part in bonding

40 / 100

Category: Chemistry Ch 3 Class 12

The oxidation states of Boron are:

+1,+2 and +3

-1, -2 and -3

+1 and -1

+3 and -3

41 / 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

42 / 100

Category: Chemistry Ch 12 Class 12

Identify the common name of the following compound:

CH₃CH₂COCH₂OH

PreMedPK MDCAT Mock 1
Chemistry
Aldehydes and Ketones
Fundamental Principles of Organic Chemistry
Elimination Tool:

A) Α-hydroxy-ethyl methyl aldehyde

B) Α-hydroxy-ethyl methyl ketone

C) Β-hydroxy-ethyl methyl ketone

D) Β-hydroxy-ethyl methyl ketone

43 / 100

Category: Chemistry

Q.119 Caustic Soda is made by electrolysis of concentrated solution of NaCI in

A. Nelson's Cell

B. Hg-Cell

C. Castner Kellner Cell

D. All of these

44 / 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

45 / 100

Category: Chemistry Ch 6 Class 11

Which of the following contains the coordinate covalent bond?

NUMS 2015
Chemistry
Chemical Bonding
Elimination Tool:

A) N2H5+

B) BaCl2

C) HCl

D) H2O

46 / 100

Category: Chemistry Ch 9 Class 12

What is the color of silver acetylide, AgC=CAg?

PMC Practice 2
Chemistry
Hydrocarbons
Elimination Tool:

A) Red

B) White

C) Brown

D) Pinkish

47 / 100

Category: Chemistry Ch 7 Class 11

ΔH = ΔE + PΔV is the change in enthalpy at constant ________.

NUMS 2018
Chemistry
Thermochemistry
Elimination Tool:

A) Volume

B) Pressure

C) Temperature

D) Mass

48 / 100

Category: Chemistry Ch 5 Class 11

Which of the following statements is correct?

NTS 2011
Chemistry
Atomic Structure
Elimination Tool:

A) Faraday's experiment indicates the existence of electrons

B) Crookes tube experiment shows the presence of electrons and protons in the atoms

C) Radioactivity confirms the presence of electrons and protons

D) Chadwick experiment shows the presence of neutrons

E) All of these

49 / 100

Category: Chemistry Ch 7 Class 11

Some substances lack definite heats of fusion. These substances are:

NUMS 2020
Chemistry
Thermochemistry
Elimination Tool:

A) Isomorphs

B) Polymorphs

C) Amorphous solids

D) Crystalline solids

50 / 100

Category: Chemistry Ch 9 Class 12

Which type of hybridization takes place in benzene?

Sp3

Sp2

Sp

Sp2 and Sp3

51 / 100

Category: Chemistry Ch 9 Class 12

Benzene when reacted with chlorine in ultraviolet rays produces:

Hexacholorocyclohexane

P-dichlorobenzene

Benzotrichloride

Benzalchloride

52 / 100

Category: Chemistry Ch 14 Class 12

PVC is created from which halogen

Fl

Br

CI

I

53 / 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

54 / 100

Category: Chemistry

The following changes to the system at equilibrium have no effect on Kc except:

NUMS Mock 4
Chemistry
Chemical Equilibrium

A) Increasing reactant concentrations

B) Equal number of reactant and product gas molecules

C) Increasing temperature

D) Using a catalyst

55 / 100

Category: Chemistry Ch 2 Class 11

Which of the following will be separated by filtration?

Salt and water

Sugar and water

Alcohol and water

None of these

56 / 100

Category: Chemistry

Q.101 Strong acid can be involved in a spontaneous reaction which is termed as

A. Addition Reaction

B. Substitution Reaction

C. Neutralization Reaction

D. Reversible Reaction

57 / 100

Category: Chemistry Ch 1 Class 12

The formula of washing soda is:

NUMS 2015
Chemistry
Periodicity in Elements
Elimination Tool:

A) N2CO3

B) Na2CO3 . H2O

C) Na2CO3 . 7H2O

D) Na2CO3 . 10 H2O

58 / 100

Category: Chemistry Ch 15 Class 12

What is the nature of “hydrated tricalcium aluminate” (3 Ca. Al203. 6 H20) in the setting of cement?

) Hardened mass

Hardened Gel

Colloidal Gel

Liquid

59 / 100

Category: Chemistry Ch 15 Class 12

What is formed by a series of complex reactions of ozone with water in the troposphere that are driven by sunlight?

NUMS 2019 Cancelled
Chemistry
Environmental Chemistry
Elimination Tool:

A) O radical

B) H radical

C) OH radical

D) H3O radical

60 / 100

Category: Chemistry

Q.160 Polymerization of ethene produces which of the followving polymer?

A. Polyvinyl

B. Polethyl

C. Polyethylene

D. Polyethoxy

61 / 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

62 / 100

Category: Chemistry Ch 16 Class 12

Which one of these Is toxic?

Nitrous oxide

Nitric oxide

Sulphur dioxide

Carbon dioxide

63 / 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

64 / 100

Category: Chemistry Ch 3 Class 11

Which of the following statements is true of Amorphous solids?

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

A) They possess symmetry

B) They are isotropic

C) They are anisotropic

D) They cleave along a particular direction

65 / 100

Category: Chemistry Ch 11 Class 12

Melting point of methyl alcohol is?

-97.6 'C

-37.6 'C

-64.7'C

-94.6'C

66 / 100

Category: Chemistry Ch 13 Class 12

Acetic acid is used in treatment of?

Ear canal Infection

Pneumonia

Abdominal pain

Vomiting

67 / 100

Category: Chemistry Ch 2 Class 11

Filtration process could be very time consuming if it is not aided by a gentle suction which is developed:

If the paper covers the funnel up to its circumference

If the paper has got small sized pores In It.

If the stern of the funnel is large so that it dips into the filtrate

If the paper fits tightly all around the upper circumference of the funnel

68 / 100

Category: Chemistry Ch 6 Class 11

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

NTS 2010
Chemistry
Chemical Bonding
Elimination Tool:

A) Sigma bond

B) Pi bond

C) Bonding molecular orbitals only

D) Bonding and antibonding molecular orbitals

69 / 100

Category: Chemistry Ch 11 Class 12

Which of the following is TRUE regarding Methyl Alcohol?

NTS 2011
Chemistry
Alcohols, Phenols and Ethers
Elimination Tool:

A) It is a colorless, volatile, thin liquid with specific gravity 0.796 at 15°C

B) It is used for low-temperature thermometers and as a fuel substitute

C) It is extensively used in the formation of different beverages

D) It is used as a base for perfumes

70 / 100

Category: Chemistry

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

NUMS Mock 4
Chemistry
Alcohols, Phenols and Ethers

A) 2, 4 – DNPH test

B) Tollens' Test

C) Lucas Test

D) Fehling solution test

71 / 100

Category: Chemistry Ch 7 Class 12

Ethers show the phenomenon of:

NTS 2019
Chemistry
Fundamental Principles of Organic Chemistry
Elimination Tool:

A) Position isomerism

B) Functional group isomerism

C) Metamerism

D) Cis-trans isomerism

72 / 100

Category: Chemistry Ch 7 Class 12

An essential condition for the Optical Activity of an organic compound is:

NUMS 2015
Chemistry
Fundamental Principles of Organic Chemistry
Elimination Tool:

A) Dextrorotatory

B) Levorotatory

C) Presence of an asymmetric carbon

D) Molecular dysymmetry

73 / 100

Category: Chemistry Ch 16 Class 12

Global scale SO2 is produced by

Combustion

Fossil fuels

Volcano

None of these

74 / 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

75 / 100

Category: Chemistry

Q.115 The crude petroleum is separated in fraction by

A. Filtration

B. Fractional distillation

C. Steam distillation

D. Fractional sublimation

76 / 100

Category: Chemistry Ch 15 Class 12

Ammonium nitrate contain nitrogen

82

46

20

35

77 / 100

Category: Chemistry Ch 4 Class 11

The nature of Binding Force in Ionic Crystals is

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

A) Magnetic

B) Repulsive

C) Electrostatic

D) Weak

78 / 100

Category: Chemistry Ch 11 Class 12

phenol, and ethers are the derivatives of?

Carboxylic acid

Alkenes

Organic derivatives of water

Benzene

79 / 100

Category: Chemistry Ch 8 Class 11

Which of the following has the highest value of pKa?

NUMS 2019 Reconduct
Chemistry
Chemical Equilibrium
Elimination Tool:

A) CH3- CH2OH

B) CI – CH2- CH2OH

C) F3C – CH2- OH

D) CH3- CH(CH3) – CH2OH

80 / 100

Category: Chemistry Ch 2 Class 11

Which of the following is the safest way to dry crystals during crystallization?

Pressing between folds of paper

Boiling

Cooling

Vacuum desiccator

81 / 100

Category: Chemistry

Q.36 How will the conditions be changed to prevent the volume of the given gas from expanding when its mass is increased

A. Temperature and pressure increased

B. Temperature is lowered and pressure decreased

C. Temperature and pressure increasediiiiiiiiii

D. Temperature is lowered and pressure increased

82 / 100

Category: Chemistry Ch 5 Class 12

Which of the following is the highest oxidizing agent?

F2

Cl2

Br2

I2

83 / 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

84 / 100

Category: Chemistry

The rate of a reaction in general can be increased by all the following factors except:

NUMS Mock 2
Chemistry
Reaction Kinetics

A) By increasing temperature

B) Using a suitable catalyst

C) By an increase in activation energy

D) By increasing conc. Of reactants

85 / 100

Category: Chemistry Ch 13 Class 12

Solubility of carboxylic acids ______?

PMC Sample 1
Chemistry
Carboxylic Acids and its Derivatives
Elimination Tool:

A) Decreases with increase of volume

B) Decreases with increase in molecular mass

C) Increases with increase in molecular mass

D) None of these

86 / 100

Category: Chemistry Ch 11 Class 12

Which of the following is not a derivative of benzene?

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

A) Pyrrole

B) Furan

C) Thiophene

D) All

87 / 100

Category: Chemistry Ch 2 Class 12

Which of the following has the highest value of electronegativity?

PMC 2020
Chemistry
s and p Block Elements
Chemical Bonding
Elimination Tool:

A) I

B) Br

C) Cl

D) F

88 / 100

Category: Chemistry Ch 6 Class 11

The compound in which carbon uses only its sp3 – hybrid orbitals for bond formation is?

NTS 2015 DUHS and JSMU
Chemistry
Chemical Bonding
Elimination Tool:

A) HCOOH

B) (CH3)3COH

C) NH2CONH2

D) (CH3)3C – CHO

89 / 100

Category: Chemistry Ch 2 Class 11

Water and mercury can be separated by:

Evaporation

Sublimation

Filtration

Solvent extraction

90 / 100

Category: Chemistry

Q.117 After the hydrolysis of ester the change in concentration of acid at different intervals is calculated by

A. Titration with KMnO4

B. Titration with Standard Alkali

C. Distillation

D. Evaporation of mixture

91 / 100

Category: Chemistry Ch 13 Class 12

What is the least number of carbon atoms in amino acids?

1

2

3

4

92 / 100

Category: Chemistry Ch 9 Class 11

From a mixture of CO2and H2gases, CO2can be separated by passing the mixture through:

NTS 2013
Chemistry
Solution and Colloids
Elimination Tool:

A) Water at high temperature

B) Water under high pressure

C) Cold water

D) Acidified water

93 / 100

Category: Chemistry Ch 2 Class 11

A bottle of cold drink contains 200 ml liquid in which CO2 is 0.1 molar . Suppose carbon dioxide behaves like an ideal gas the volume of dissolved carbon dioxide at STP is?

NTS 2015 DUHS and JSMU
Chemistry
Stoichiometry
Elimination Tool:

A) 0.224 L

B) 0.448 L

C) 22.4 L

D) 2.24 L

94 / 100

Category: Chemistry

Q.27 The temperature at which one crystalline form changes to other is called _____________temperature

A. critical

B. absolute

C. transition

D. none of these

95 / 100

Category: Chemistry Ch 4 Class 11

if the crystal structure of Graphite is Hexagonal, the crystal system of Diamond will be:

Tetrahedral

Pyramidal

Cubic

Pentagonal

96 / 100

Category: Chemistry Ch 14 Class 12

The sugar unit in DNA molecule is:

NUMS 2019 Reconduct
Chemistry
Macromolecules
Elimination Tool:

A) Ribose

B) 2 – deoxyribose

C) 3 – deoxyribose

D) 2 – deoxypentose

97 / 100

Category: Chemistry Ch 2 Class 11

The rate of filtration can be considerably increased by using

Fluted filter paper

Suction flask

Stirrer

None of these

98 / 100

Category: Chemistry Ch 12 Class 12

Which one of the following is used in making lozenges?

Methanol

Acetaldehyde

Acetone

Formaldehyde

99 / 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

100 / 100

Category: Chemistry Ch 8 Class 12

Which one of the following has the least C — C bond length?

Benzene

Ethane

Ethene

Ethyne

Your score is

The average score is 55%

0%

PLS Academy – LearnoSpot

PLS Boost Bundle