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

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Question # 1

Permonosulphuric acid is known as

Question # 2

Which of the following salt is used as purgative

Question # 3

The chemical formula of magnesite is

Question # 4

Borax is hydrated:

Question # 5

Which of the following elements is not present abundantly in earth's crust?

Question # 6

Hybridized in oxygen is:

Question # 7

Which one of the following elements occurs free in nature?

Question # 8

The element which has a simple cubic lattice in solid state is

Question # 9

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

Question # 10

Which will have the maximum value of heat of hydration

Question # 11

What is going to replace the petroleum?

Question # 12

Sodium is manufacture by the electrolysis of fused sodium chloride and not from an aqueous solution of sodium chloride because

Question # 13

______ gives peroxide

Question # 14

Baking powder has which one of the following formula

Question # 15

Which salt is used for the treatment of hyperacidity in stomach

Question # 16

The most acidic of the following compounds is

Question # 17

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

Question # 18

Which of the following oxides is peroxide?

Question # 19

The number of unpaired electrons in the p-subshell of oxygen atom

Question # 20

The formula of lime stone is

Question # 21

What causes nitrogen to be chemically inert?

Question # 22

Which one of the following does not belong to alkaline earth metals

Question # 23

The oxyacids of phosphorus in which phosphorus has the lowest oxidiation state is

Question # 24

Which one of the following pentafluorides cannot be formed?

Question # 25

Lithium reacts with air to form

Question # 26

Which of the following elements is most metallic?

Question # 27

Aluminium oxide is:

Question # 28

Which is used in navigational equipments?

Question # 29

Bond angle is minimum for

Question # 30

Where lime is not used

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 Phosphide ion has the electronic structure similar to that of
A. Nitride ion
B. Fluoride ion
C. Sodium ion
D. Chloride ion
2 Density of aluminium is (g cm-3):
A. B
B. Al
C. Si
D. Ge
3 Where lime is not used
A. In refining or metals
B. In paper industry
C. In glass industry
D. In the preparation of NaOH
4 Which oxide of nitrogen is obtained on heating ammonium nitrate at 250° C?
A. Nitric oxide
B. Nitrous oxide
C. Nitrogen dioxide
D. Dinitrogen tetraoxide
5 The electrolytic cell used for the production of metallic sodium is known as
A. Down's cell
B. Solvary's cell
C. Haber's cell
D. None of these
6 Which of the following element is most reactive
A. Li
B. Na
C. K
D. Cs
7 The element which has a simple cubic lattice in solid state is
A. Se
B. Te
C. Po
D. None of these
8 Bond angle is minimum for
A. H2O
B. H2S
C. H2Se
D. H2Te
9 Chief ore of aluminium is:
A. Na3AIF6
B. Al2O3.2H2O
C. Al2O3
D. Al2O3 .H2O
10 Which of the following equations represents the action of heat on NaHCO3

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