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

Sodium is never found free in nature because of its

Question # 2

Which is not the form of silica?

Question # 3

P2O5is heated with water to give

Question # 4

Electron affinity of sulphur is

Question # 5

Which element has highest oxidation potential

Question # 6

Which of the following compounds is explosive in nature?

Question # 7

CaC2on hydrolysis form

Question # 8

Phosphide ion has the electronic structure similar to that of

Question # 9

LiOH ______ soluble than NaOH

Question # 10

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

Question # 11

Which salt is used for preserving food

Question # 12

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

Question # 13

Which will have the maximum value of heat of hydration

Question # 14

A compound used as eye wash:

Question # 15

Pb has inert pair of electrons:

Question # 16

What is the formula of asbestos?

Question # 17

Hybridized in carbon is:

Question # 18

Crystalline form of sulphur stable at room temperature is

Question # 19

Potassium superoxide has a use in breathing equipment in space crafts. The balanced equation for the reaction is

Question # 20

Phosphorus pentoxide finds use as

Question # 21

Which of the following form normal oxide

Question # 22

Sodium should be stored in

Question # 23

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

Question # 24

Which element among the following belongs to Group IV-A of the periodic table?

Question # 25

Boric acid cannot be used:

Question # 26

Which of the following oxides is peroxide?

Question # 27

Which of the following sulphates has the highest solubility in water

Question # 28

When ammonia is heated with cupric oxide, a molecule of ammonia will

Question # 29

Dipole moment of CO molecule is:

Question # 30

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

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 Commercial common salt becomes slight damp on storing because
A. Common salt is hygroscope
B. Common salt contains some impurity, which is hygroscopic
C. Salt in efflorescent
D. Salt is crystalline
2 Hybridized in carbon is:
A. sp
B. sp2
C. sp3
D. d2sp
3 The element caesium bears resemblance with
A. Ca
B. Cr
C. Rubidium
D. None of the above
4 Which is litharge or massicot?
A. PbO
B. Pb2O
C. Pb3O4
D. PbO2
5 Phosphide ion has the electronic structure similar to that of
A. Nitride ion
B. Fluoride ion
C. Sodium ion
D. Chloride ion
6 A compound used as eye wash:
A. Borax
B. Boric acid
C. Metabolic acid
D. Pyroboric acid
7 Boric acid cannot be used:
A. An antiseptic in medicine
B. For washing eyes
C. In soda bottles
D. For enamels and glazes
8 The element which has a simple cubic lattice in solid state is
A. Se
B. Te
C. Po
D. None of these
9 Where lime is not used
A. In refining or metals
B. In paper industry
C. In glass industry
D. In the preparation of NaOH
10 Which of the following element is most reactive
A. Li
B. Na
C. K
D. Cs

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