ECAT Pre Engineering Chemistry Chapter 14 MCQ Test With Answer

MCQ's Test For ECAT Chemistry Chapter 14 Group IIIA & IVA Elements

Try The MCQ's Test For ECAT Chemistry Chapter 14 Group IIIA & IVA Elements

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ECAT Chemistry Chapter 14 Group IIIA & IVA Elements

00:00
Question # 1

When sulphur is boiled with Na2SO3solution, the compound formed is

Question # 2

Aluminium oxide is:

Question # 3

Which of the following is formed by the action of water on sodium peroxide?

Question # 4

Orthophosphoric acid is

Question # 5

The number of electron that are paired in oxygen molecule are

Question # 6

NaHCO3is prepared by

Question # 7

Which of the following sulphates is not soluble in water

Question # 8

Which of the following are electropositive in nature

Question # 9

What is the formula of asbestos?

Question # 10

Sodium should be stored in

Question # 11

When SO2is passed through acidified K2Cr2O7solution

Question # 12

What is chrome yellow?

Question # 13

All the following decompose easily on heating to give oxygen except

Question # 14

Which salt is used for preserving food

Question # 15

Which metal of Group-II A of the periodic Table, will form the least ionic chloride

Question # 16

P2O5is heated with water to give

Question # 17

Hybridized in oxygen is:

Question # 18

Borax is hydrated:

Question # 19

Heavy water is obtained by

Question # 20

CaC2on hydrolysis form

Question # 21

The chemical formula of gypsum is

Question # 22

Down's cell is used to prepare

Question # 23

______ is used in breathing equipments for mountaineers and in space craft

Question # 24

Oleum is

Question # 25

Which oxide of nitrogen is obtained on heating ammonium nitrate at 250° C?

Question # 26

HNO2acts as an/a

Question # 27

The formula of lime stone is

Question # 28

Dipole moment of CO molecule is:

Question # 29

Which metal is used in the thermit process because of its activity?

Question # 30

Which carbonate of alkali metals is insoluble in water

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 Which on of the following compounds does not exist?
A. NCl5
B. AsF5
C. SbCl5
D. PF5
2 All the following decompose easily on heating to give oxygen except
A. Lead nitrate
B. Potassium chlorate
C. Mercuric oxide
D. Manganese dioxide
3 Sulphuric acid reacts with PCl5to give
A. Thionyl chloride
B. Sulphur monochloride
C. Sulphuryl chloride
D. Sulphur tetrachloride
4 Which is litharge or massicot?
A. PbO
B. Pb2O
C. Pb3O4
D. PbO2
5 Permonosulphuric acid is known as
A. Marshall's acid
B. Carlo's acid
C. Sulphuric acid
D. None of these
6 Plaster of pares is obtained by heating
A. Gypsum
B. Epsom
C. Lime stone
D. Dolomite
7 Gypsum is applied to the soil to provide calcium and
A. Oxygen
B. Nitrogen
C. Phosphorous
D. Sulphur
8 Which of the following elements is not present abundantly in earth's crust?
A. Silicon
B. Aluminium
C. Sodium
D. Oxygen
9 The oxidation number of each element of group ll-A is
A. 0
B. +1
C. +2
D. -1
10 All the elements of oxygen family are
A. Non metals
B. Metalloids
C. Radioactive
D. Polymorphic

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