Chemistry Practice Tests 3

Created by Ali Durrani

NET Practice

Chemistry Practice Test 3

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

1 / 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

2 / 100

Category: Chemistry Ch 4 Class 11

What is the % relative humidity at 25 C and 0.01876 atm if the vapor pressure of water is 23.76 mm Hg.

NUMS 2019 Cancelled
Chemistry
States of Matter – Gases, Liquids and Solids
Elimination Tool:

A) 40 %

B) 50 %

C) 60 %

D) 70%

3 / 100

Category: Chemistry

Q.39 Which one of the following enthalpy change is always exothermic in nature?

A. Enthalpy of combustion

B. Enthalpy of solution

C. Enthalpy of formation

D. Enthalpy of atomization

4 / 100

Category: Chemistry

Q.2 The difference in the E.N values of the bonded atoms b/w two atoms is an index to_of covalent bond

A. polar nature

B. non-polar nature

C. strength

D. nature

5 / 100

Category: Chemistry

Q.99 Which forces are very significant in non-polar molecules like Cl2, H2 and noble gases

A. Dipole-dipole

B. Induced dipole

C. London

D, Spontaneous induced dipole

6 / 100

Category: Chemistry Ch 11 Class 12

By fermentation process of starch and by the catalytic enzyme, ______ is produced.

NUMS 2018
Chemistry
Alcohols, Phenols and Ethers
Elimination Tool:

A) Methyl alcohol

B) Ethyl alcohol

C) Acetyl alcohol

D) Methanal

7 / 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

8 / 100

Category: Chemistry Ch 5 Class 12

) Which halogen is present in Teflon?

Chlorine

Bromine

Fluorine

Iodine

9 / 100

Category: Chemistry

Q.82 In balancing it is very important to identify the substance whose

A. Physical state is changed

B. Oxidation number is changed

C. Enthalpy is changed

D. All of these

10 / 100

Category: Chemistry Ch 15 Class 12

Urea is the most widely used nitrogen fertilizer in Pakistan. Its composition is:

UHS 2015
Chemistry
Environmental Chemistry
Elimination Tool:

A) NH2CO

B) N2H5CO2

C) N2H4CO2

D) N2H4CO

11 / 100

Category: Chemistry

Thermochemistry is very important to learn about _______.

NUMS Mock 3
Chemistry
Thermochemistry

A) Chemical Equilibrium

B) Chemical Bonding

C) Heat contents of a compound

D) AlI of these options are correct

12 / 100

Category: Chemistry Ch 15 Class 12

Aluminium nitrate is not used for ai

Corn

Cotton

Rice

Wheat

13 / 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

14 / 100

Category: Chemistry Ch 1 Class 12

Covalent character of hydrides decrease ________?

PMC Practice 1
Chemistry
Periodicity in Elements
Elimination Tool:

A) Down the Group

B) Along period

C) Along d- block

D) All of these

15 / 100

Category: Chemistry Ch 14 Class 12

Which of the following is a monosaccharide ?

Maltose

Sucrose

lactose

Fructose

16 / 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

17 / 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

18 / 100

Category: Chemistry Ch 1 Class 12

Transition elements have coloured compounds because:

NTS 2013
Chemistry
Periodicity in Elements
Elimination Tool:

A) Their bond energy is low

B) they easily absorb energy

C) splitting of the five degenerate d-orbitals take place

D) d-orbitals are very close to p-orbitals

19 / 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

20 / 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

21 / 100

Category: Chemistry Ch 7 Class 11

In chemistry the work is generally ___.

PMC Sample 1
Chemistry
Thermochemistry
Elimination Tool:

A) Done by Temperature change

B) Pressure – Temperature Work

C) Pressure Volume Work

D) None of these

22 / 100

Category: Chemistry Ch 5 Class 11

Which orbitals always possess same energy:

Hybrid orbitals

Degenerate orbitals

None of these

Both a and b

23 / 100

Category: Chemistry Ch 9 Class 12

The four bonds of carbon in methane are directed towards the corners of a:

NUMS 2014
Chemistry
Hydrocarbons
Elimination Tool:

A) Cube

B) Pentagon

C) Hexagon

D) Tetrahedron

24 / 100

Category: Chemistry Ch 3 Class 12

Which of the following transition metals in its ground state have unpaired electrons in an s-orbital?

NUMS 2015
Chemistry
d and f Block Elements
Elimination Tool:

A) Cr

B) Co

C) Fe

D) Cu

25 / 100

Category: Chemistry

Q.103 In phenol, the hydroxyl group is attached to

A. Phenyl group

B. Benzoyl group

C. Benzyl group

D. Benzal group

26 / 100

Category: Chemistry Ch 1 Class 12

Covalent hydrides are:

Gaseous

Solid

Liquids

Both a & c

27 / 100

Category: Chemistry Ch 1 Class 11

Mass spectrometer can be used to find:

Mass of atom

Mass of ion

Charge to mass ratio of atom

Charge to mass ratio of ion

28 / 100

Category: Chemistry Ch 13 Class 12

An ester is prepared by the reaction of:

NTS 2011
Chemistry
Carboxylic Acids and its Derivatives
Elimination Tool:

A) Two alcohols

B) Carboxylic acid and alcohol

C) Ketone and alcohol

D) Aldehyde and alcohol

29 / 100

Category: Chemistry Ch 12 Class 12

In Cannizzaro’s reaction out of two moles, one makes salt of an acid the other makes

Ester

Alcohol

Carboxylic Acid

Alkane

30 / 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

31 / 100

Category: Chemistry Ch 14 Class 12

What is the chemical reaction mechanism by which cells make polymers from monomers?

PMC 2021 Tested
Chemistry
Macromolecules
Elimination Tool:

A) Dehydration reaction

B) Formation of disulphide bridges

C) Ionic bonding of monomers

D) Hydrolysis

32 / 100

Category: Chemistry Ch 9 Class 11

Which one is the correct formula for molar mass of solute In case of boiling point elevation? x

M2= 1000 Kb W2M1/ Tb W1

) M2= 1000 Kb W2/ Tb

M2 = Kb W1 Tb/1000

M2 =1000 Tb W21 Kb

33 / 100

Category: Chemistry Ch 14 Class 12

Polyester is used in:

PMC 2021 Tested
Chemistry
Macromolecules
Elimination Tool:

A) Cosmetic industry

B) Fabric industry

C) None of these

D) Food industry

34 / 100

Category: Chemistry

Solid CO2 dry ice has a structure just like:

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

A) Diamond

B) Sulphur

C) Graphite

D) None of the above options are correct

35 / 100

Category: Chemistry Ch 2 Class 11

If during crystallization more solute could not be dissolved in the solution, the solution is:

Saturated solution

Dilute solution

Concentrated solution

None of these

36 / 100

Category: Chemistry Ch 11 Class 11

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

NUMS 2015
Chemistry
Reaction Kinetics
Elimination Tool:

A) By increasing temperature

B) Using a suitable catalyst

C) By an increase in activation energy

D) By increasing conc. Of reactants

37 / 100

Category: Chemistry Ch 13 Class 12

Carboxylic acids do not give the characteristics reaction of >C=O group because of:

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

A) Polar nature

B) Resonance

C) Symmetrical structure

D) Attached alkyl group

38 / 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

39 / 100

Category: Chemistry Ch 13 Class 12

Carboxylic acid reduction to alcohol can be achieved by using?

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

A) H₂/Ni

B) Pd/C

C) NaBH₄

D) LiAlH₄

40 / 100

Category: Chemistry Ch 8 Class 12

Sp hybridization is found In which of the following?

Ethane

Ethene

Ethyne

None

41 / 100

Category: Chemistry Ch 9 Class 11

The solubility product for BaSO4 , at 18-25°C is:

NTS 2015 DUHS and JSMU
Chemistry
Solution and Colloids
Elimination Tool:

A) 1.0 x 10-10mol2dm-6

B) 8.7 x 10-36mol2dm-6

C) 1.8 x 10-21mol2dm-6

D) 8.4 x 10-28mol2dm-6

42 / 100

Category: Chemistry

Q.87 O2-2 + 2H2O → 2H2O2, In this reaction O2-2 act as

A. Oxidizing agent

B. Reducing agent

C. Dehydrating agent

D. Drying agent

43 / 100

Category: Chemistry Ch 10 Class 12

A compound X (C4H9Br) undergoes the following reactions:

C4H9Br NaOH(aq)/heat > C4H10O Cr2O7(2-), H+(aq)/ heat> C4H8O.

What is X?

NUMS 2018
Chemistry
Alkyl Halides and Amines
Elimination Tool:

A) 1 – Bromobutane

B) 2 – Bromobutane

C) 1-bromo-2-methylpropane

D) 2 – Bromo – 2 – Methylpropane

44 / 100

Category: Chemistry Ch 4 Class 11

Calculate the root mean square speed of He atoms at 295 K?

NUMS 2019 Cancelled
Chemistry
States of Matter – Gases, Liquids and Solids
Elimination Tool:

A) 34 cm/s

B) 3.6 x 104cm/s

C) 136000 cm/s

D) 63 cm/s

45 / 100

Category: Chemistry Ch 9 Class 11

As the number of solute particles increases, the freezing point of the solution:

UHS 2012
Chemistry
Solution and Colloids
Elimination Tool:

A) Remains the same

B) Increases

C) First increases, then decreases

D) Decreases

46 / 100

Category: Chemistry

Q.78 What Isthe nature of Carbon present in Aldehyde is?

A. Nucleophilic

B. Electrophilic

C. Neutral

D. All of these

47 / 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

48 / 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

49 / 100

Category: Chemistry Ch 3 Class 12

Prussian blue is:

NUMS 2014
Chemistry
d and f Block Elements
Elimination Tool:

A) K2Fe[FeCN6]

B) K4[FeCN6]

C) Fe4[Fe(CN)6] 3xH2O

D) K3FeCN6

50 / 100

Category: Chemistry Ch 4 Class 12

Which one of the following elements has six valence electrons?

S

Cd

Fe

0

51 / 100

Category: Chemistry Ch 15 Class 12

Which of the following is the most widely used fertilizer in Pakistan?

Ammonium Nitrate

Ammonia

Calcium Nitrate

Urea

52 / 100

Category: Chemistry Ch 8 Class 11

Consider the following reaction

N2(g) + O2(g) 2NO (g) Kc- 0.1 at 2000 C

If the original concentration of N2 and O2 were 0.1 M each. Calculate the concentrations of NO at equilibrium.

NTS 2016 DUHS & JSMU
Chemistry
Chemical Equilibrium
Elimination Tool:

A) 0.028 M

B) 0.0012 M

C) 0.18 M

D) 0.0018 M

53 / 100

Category: Chemistry

Q.92 Change in Pressure will only affect fhe.substances which are in

A. Liquid stale

B. Solid State

C.Plasma state

D. Gaseous State

54 / 100

Category: Chemistry Ch 13 Class 12

The formula of esters is

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

A) R – COOH

B) R – COR

C) R – COOR

D) R – COH

55 / 100

Category: Chemistry Ch 4 Class 11

Which of the following has the higher bond forces amount its molecules

Hydrogen

Neon

Water

Hydrogen Fluoride

56 / 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

57 / 100

Category: Chemistry Ch 3 Class 11

What assumptions are made in the Kinetic Theory about an ideal gas?

There are no forces of attraction between molecules
the molecules are in a state of continuous random motion
the size of the molecule is negligible
NTS 2015 SMBBMC
Chemistry
States of Matter – Gases, Liquids and Solids
Elimination Tool:

B) II ONLY

C) I AND II ONLY

D) II AND III ONLY

E) I, II, III

58 / 100

Category: Chemistry Ch 6 Class 11

The common features, among the species CN, CO and NO are:

NUMS 2016
Chemistry
Chemical Bonding
Elimination Tool:

A) Bond order three and Isoelectronic

B) Bond order three and weak field ligands

C) Bond order two andπacceptors

D) Isoelectronic and weak field ligands

59 / 100

Category: Chemistry

Q.144 Carboxylic acids form dimer due to

A. Small Sizes

B. Polarity of C-O bond

C.H-bonding

D. Dipole-Dipole interactions

60 / 100

Category: Chemistry

The major source of unburnt hydrocarbons in the atmosphere is / are:

NUMS Mock 1
Chemistry
Hydrocarbons

A) Petroleum

B) Natural gas

C) Automobiles

D) Human beings

61 / 100

Category: Chemistry Ch 6 Class 12

Which metal is not attracted by magnet?

Copper

Zinc

Iron

Both a & b

62 / 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

63 / 100

Category: Chemistry

Q.152 Enzymes are in nature.

A. Proteins

B. Carbohydrates

C. Lipids

D. Nucleic acid

64 / 100

Category: Chemistry Ch 8 Class 12

Percentage of butane in Sui gas is?

NTS 2015 SMBBMC
Biology
Hydrocarbons
Elimination Tool:

B) 3.88 %

C) 1.05 %

D) 0.02%

E) 0.17 %

65 / 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

66 / 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

67 / 100

Category: Chemistry Ch 11 Class 12

Which of the following alcohol does not get oxidized when it reacts with K₂Cr₂O₇/H₂SO₄?

PMC Sample 2
Chemistry
Alcohols, Phenols and Ethers
Elimination Tool:

A) CH₃C(CH₃)₂OH

B) CH₃CH(CH₃)OH

C) CH₃OH

D) C₂H₅OH

68 / 100

Category: Chemistry Ch 8 Class 12

Which one of these is/are gasses?

Methane

Ethane

Propane

All of these

69 / 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

70 / 100

Category: Chemistry

Which of the following will react with water?

NUMS Mock 1
Chemistry
Introduction to Fundamental Concepts of Chemistry

A) CHCl3

B) Cl3CCHO

C) CHI4

D) ClCH2CH2Cl

71 / 100

Category: Chemistry

Q.122 Glycoprotein is classified as

A. Simple protein

B. Conjugated protein

C. Derived protein

D. Non-conjugated protein

72 / 100

Category: Chemistry Ch 10 Class 12

Reaction of CH3CH2MgBr with ethylene epoxide gives:

NUMS 2019 Reconduct
Chemistry
Alkyl Halides and Amines
Elimination Tool:

A) Ethanal

B) 1 – butanol

C) 2 – butanol

D) Butane

73 / 100

Category: Chemistry Ch 1 Class 11

Mass of a neutron in amu is?

1.008386

1.007376

0.0005

None

74 / 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

75 / 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

76 / 100

Category: Chemistry

Q.145 Activator of phosphatase enzyme

A. Mn2+

B. Mg2-

C. Zn

D. None of these

77 / 100

Category: Chemistry Ch 10 Class 12

R-X on reaction with alcohols form:

PMC 2020
Chemistry
Alkyl Halides and Amines
Elimination Tool:

A) R-OH

B) ROR

C) R-X-OH

D) RH

78 / 100

Category: Chemistry Ch 11 Class 11

The rate of reaction:

NUMS 2020
Chemistry
Reaction Kinetics
Elimination Tool:

A) Increases as the reaction proceeds

B) Decreases as the reaction proceeds

C) Remains the same as the reaction proceeds

D) May decrease or increase as the reaction proceeds

79 / 100

Category: Chemistry Ch 8 Class 11

In the reaction, 2SO2 (g) + O2 ⇌ 2SO3 (g) ∆H= +X cal most favorable conditions of temperature and pressure for a greater yield of SO2 are:

NTS 2014
Chemistry
Chemical Equilibrium
Elimination Tool:

A) Low temperature and low pressure

B) High temperature and low pressure

C) High temperature and high pressure

D) Low temperature and high pressure

80 / 100

Category: Chemistry Ch 14 Class 12

Which of the following is not a part of the human diet?

Glucose

Sucrose

Fructose

Cellulose

81 / 100

Category: Chemistry Ch 7 Class 12

Which of the following has the lowest vapour pressure at 20 degrees Centigrade?

PMC 2020
Chemistry
Fundamental Principles of Organic Chemistry
Elimination Tool:

A) Diethyl ether

B) Chloroform

C) Carbon tetrachloride

D) Water

82 / 100

Category: Chemistry Ch 12 Class 12

Which of the following reagent is used to separate and purify carbonyl and non carbonyl compounds?

PreMedPK MDCAT Mock 3
Chemistry
Aldehydes and Ketones
Elimination Tool:

A) HCN

B) BrMgCH3

C) NaHSO3

D) H2O

83 / 100

Category: Chemistry Ch 13 Class 12

Which type of carboxylic acid is produced from the hydrolysis of nitriles?

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

A) Beta-hydroxy carboxylic acids

B) Acids having one carbon more than the starting material

C) Acids having one carbon less than the starting material

D) Alpha-hydroxy acids

84 / 100

Category: Chemistry Ch 4 Class 11

London forces are present in

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

A) ammonia

B) water

C) kerosene oil

D) HCl

85 / 100

Category: Chemistry Ch 15 Class 12

Unpolluted rain water has a pH of:

UHS 2013
Chemistry
Environmental Chemistry
Elimination Tool:

A) 4.9

B) 5.6

C) 5.3

D) 7.0

86 / 100

Category: Chemistry Ch 8 Class 12

Which type of isomerism depends on the distribution of carbon atoms on each side of the functional group?

NTS 2013
Chemistry
Hydrocarbons
Elimination Tool:

A) Structural isomerism

B) Functional isomerism

C) Chain isomerism

D) Metamerism

87 / 100

Category: Chemistry Ch 11 Class 12

Which of the following is not a physical property of ethers?

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

A) They are usually volatile liquids

B) Show weak hydrogen bonding

C) They are highly flammable with low boiling points

D) It is poisonous and is used as a disinfectant in hospitals

88 / 100

Category: Chemistry Ch 5 Class 12

The reduction of which of the following produces Hydrofluoric acid?

a) XeF2

XeF4

Xe F6

All of the above

89 / 100

Category: Chemistry Ch 6 Class 11

The shape of SnCl2 is:

NUMS 2015
Chemistry
Chemical Bonding
Elimination Tool:

A) Linear

B) Tetrahedral

C) Angular

D) Trigonal Planar

90 / 100

Category: Chemistry

Q.118 Which of the following will not give iodoform test?

A. Ethanol

B. 3-Pentanone

C. 2-Pentanone

D. Ethanal

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 Ch 13 Class 12

Which of the following carboxylic acids will be the most acidic?

NUMS 2016
Chemistry
Carboxylic Acids and its Derivatives
Elimination Tool:

A) CH3CHClCH2COOH

B) CH3CH2CCl2COOH

C) CH3CH2CHClCOOH

D) CH3CH2CH2COOH

93 / 100

Category: Chemistry

Q.143 Which one of the following benzene molecules have?

A. Two double bonds

B. Delocalized pi-electron charge

C. Three double bonds

D. One sigma bond

94 / 100

Category: Chemistry

Q.179 The nature of amorphous solid is

A. Isotropic

B. Anisotropic

C. Mesotrophic

D. Neotropic

95 / 100

Category: Chemistry Ch 3 Class 11

If we take some water at 0oC and start heating it,we find that in the temperature range 0oC to 4oC:

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

A) It expands on heating

B) It contracts on heating

C) Both

D) None

96 / 100

Category: Chemistry Ch 9 Class 11

If 18.0 g of glucose is dissolved in 1 kg of water, boiling point of this solution should be:

UHS 2013
Chemistry
Solution and Colloids
Elimination Tool:

A) 100.52 °C

B) 100.00 °C

C) 100.052 °C

D) Less than 100 °C

97 / 100

Category: Chemistry

Which enzyme is used when sugar In molasses is converted to glucose and fructose?

Amylase

Protease

Sucrase

None of these

98 / 100

Category: Chemistry Ch 2 Class 12

Magnesium reacts with nitrogen to form:

PMC 2020
Chemistry
s and p Block Elements
Elimination Tool:

A) Mg2N2

B) Mg3N2

C) MgN2

D) MgN

99 / 100

Category: Chemistry Ch 1 Class 12

Which group of elements shows greatest electrical conductivity?

Alkali metals

Alkaline earth metals

Halogens

Coinage Metals

100 / 100

Category: Chemistry

Transition Elements usually show:

NUMS Mock 2
Chemistry
d and f Block Elements

A) Para magnetism

B) Diamagnetism

C) Ferromagnetism

D) Both Ferromagnetism and Paramagnetism

Your score is

The average score is 56%

0%

PLS Boost Bundle