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

In the earth crust sodium is

Question # 2

Which of the following compounds is explosive in nature?

Question # 3

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

Question # 4

Which of the following sulphates is not soluble in water

Question # 5

BiCl3on hydrolysis forms a white precipitate of

Question # 6

Which element has highest oxidation potential

Question # 7

Which one of the following is not an alkali metal

Question # 8

Group VA of the periodic table consists of the elements N, P, As, Sb and Bi, On passing from N to Bi, the oxides of the elements of general formula M2O3become

Question # 9

Aluminium oxide is:

Question # 10

The oxidation number of each element of group ll-A is

Question # 11

Which of the following are electropositive in nature

Question # 12

Identify the incorrect statement with respect to ozone

Question # 13

The electrolytic cell used for the production of metallic sodium is known as

Question # 14

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

Question # 15

Some of the elements of a period show similar behavior with the elements of next group in next period this is called

Question # 16

P2O5is heated with water to give

Question # 17

Which carbonate of alkali metals is insoluble in water

Question # 18

Phosphine is not obtained by the reaction when

Question # 19

The chemical formula of magnesite is

Question # 20

Electron affinity of sulphur is

Question # 21

Sodium hexametaphophate is known as

Question # 22

Which one of the following pentafluorides cannot be formed?

Question # 23

HNO2acts as an/a

Question # 24

Basicity of orthoposphoric acid is

Question # 25

S-block elements consist of

Question # 26

When SO2is passed through acidified K2Cr2O7solution

Question # 27

Which salt is used for preserving food

Question # 28

Carbonates of alkali metals dissolves freely in water to form

Question # 29

Where lime is not used

Question # 30

Which of the following elements is most metallic?

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 Which of the following salt is soluble in water
A. CaCO3
B. CaSO4
C. MgSO4
D. BaSO4
2 Plaster of pares is obtained by heating
A. Gypsum
B. Epsom
C. Lime stone
D. Dolomite
3 The alkaline earth elements have in their s-orbital
A. One electron
B. Two electron
C. No electron
D. Three electron
4 Where lime is not used
A. In refining or metals
B. In paper industry
C. In glass industry
D. In the preparation of NaOH
5 Which colour is imparted by sodium
A. Yellow
B. Violet
C. Red
D. Crimson
6 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
7 Which of the element is not an alkaline earth metal
A. Beryllium
B. Strontium
C. Barium
D. Caesium
8 Phosphide ion has the electronic structure similar to that of
A. Nitride ion
B. Fluoride ion
C. Sodium ion
D. Chloride ion
9 Group VA of the periodic table consists of the elements N, P, As, Sb and Bi, On passing from N to Bi, the oxides of the elements of general formula M2O3become
A. Stronger reducing agents
B. More ionic
C. More basic
D. More volatile
10 Heavy water is obtained by
A. Prolonged electrolysis of water
B. Dissolving heavy salt in water
C. Simple distillation of water
D. Removing impurities of calcium and magnesium form water

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