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

Which will have the maximum value of heat of hydration

Question # 2

The number of electron that are paired in oxygen molecule are

Question # 3

Phosphide ion has the electronic structure similar to that of

Question # 4

Which of the following is lighter

Question # 5

Chemical composition of colemnite is:

Question # 6

Ozone is not

Question # 7

BiCl3on hydrolysis forms a white precipitate of

Question # 8

The acid used in lead storage cells is

Question # 9

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

Question # 10

The oxide of beryllium is

Question # 11

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

Question # 12

NaHCO3is prepared by

Question # 13

Phosphine is not obtained by the reaction when

Question # 14

Which of the following compound is industrially prepared by the electrolysis of solution of NaCl

Question # 15

Al is the most element in earth crust:

Question # 16

Which of the following sulphates has the highest solubility in water

Question # 17

Which of the element is not alkali metal

Question # 18

Which of the following oxides is peroxide?

Question # 19

A compound used as eye wash:

Question # 20

Commercial common salt becomes slight damp on storing because

Question # 21

In the earth crust sodium is

Question # 22

Aluminium oxide is:

Question # 23

Electron affinity of sulphur is

Question # 24

The chemical formula of chile salt peter is

Question # 25

Oleum is

Question # 26

Chief ore of aluminium is:

Question # 27

Hypo is used in photography for

Question # 28

Basicity of orthoposphoric acid is

Question # 29

Chile saltpetre has the chemical formula

Question # 30

Which is used to remove air bubbles form metals?

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 All the following decompose easily on heating to give oxygen except
A. Lead nitrate
B. Potassium chlorate
C. Mercuric oxide
D. Manganese dioxide
2 Which of the following form normal oxide
A. K
B. Li
C. Na
D. None
3 Crystalline form of sulphur stable at room temperature is
A. Rhombic sulphur
B. Monoclinic sulphur
C. Plastic sulphur
D. Prismatic sulphur
4 White phosphorus is
A. A mono atomic gas
B. P4, a tetrahedral solid
C. P8, a crown
D. A linear diatomic molecule
5 Hybridized in oxygen is:
A. sp
B. sp2
C. sp3
D. dsp3
6 NaHCO3is prepared by
A. Down's process
B. Solvay's process
C. Nelson's process
D. None of these
7 Lime, calcium oxide, is used in agriculture for
A. Adding ca metal in soil
B. Making soil acidic
C. Neutralizing acidic soil
D. Adding oxygen to soil
8 Which of the following statement is not related to Solvay's process of Na2CO3
A. Cheap materials
B. Pure product
C. Continuous process
D. Harmful by-products
9 Sulphuric acid reacts with PCl5to give
A. Thionyl chloride
B. Sulphur monochloride
C. Sulphuryl chloride
D. Sulphur tetrachloride
10 Hybridized in carbon is:
A. sp
B. sp2
C. sp3
D. d2sp

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