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

Sulphuric acid reacts with PCl5to give

Question # 2

When a colourless gas is passed through bromine water only decolourisation takes place the gas is

Question # 3

Carbonates of alkali metals dissolves freely in water to form

Question # 4

Which of the following is acidic?

Question # 5

Chile saltpetre has the chemical formula

Question # 6

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

Question # 7

Which is used in navigational equipments?

Question # 8

BiCl3on hydrolysis forms a white precipitate of

Question # 9

The formula of lime stone is

Question # 10

Solvay process is used in the manufacture of

Question # 11

Which one of the following is not an alkali metal

Question # 12

______ is called milk of magnesia

Question # 13

Commercial common salt becomes slight damp on storing because

Question # 14

The chemical formula of chile salt peter is

Question # 15

Which has soapy touch?

Question # 16

Down's cell is used to prepare

Question # 17

Phosphorus pentoxide finds use as

Question # 18

Which element forms an iron with charge 3+?

Question # 19

Chief ore of aluminium is:

Question # 20

Which carbonate of alkali metals is insoluble in water

Question # 21

LiOH ______ soluble than NaOH

Question # 22

Basicity of orthoposphoric acid is

Question # 23

The alkaline earth elements have in their s-orbital

Question # 24

Red P can be obtained form white P by

Question # 25

Calcium carbide reacts with water to produce

Question # 26

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

Question # 27

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

Question # 28

What is the formula of asbestos?

Question # 29

Phosphine is not obtained by the reaction when

Question # 30

Which of the following sulphates is not soluble in water

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 Which one of the following elements occurs free in nature?
A. N
B. P
C. As
D. Sb
2 CaC2on hydrolysis form
A. CH4
B. C2H4
C. C2H2
D. C6H6
3 LiOH ______ soluble than NaOH
A. More soluble
B. Less soluble
C. Equally soluble
D. None
4 The alkaline earth elements have in their s-orbital
A. One electron
B. Two electron
C. No electron
D. Three electron
5 Gypsum is applied to the soil to provide calcium and
A. Oxygen
B. Nitrogen
C. Phosphorous
D. Sulphur
6 Which metal is used in the thermit process because of its activity?
A. Iron
B. Copper
C. Alumnium
D. Zinc
7 Alkaline earth metals posses two electrons in their outermost
A. F-orbital
B. D-orbital
C. S-orbital
D. P-orbital
8 Which of the following is formed by the action of water on sodium peroxide?
A. H2
B. N2
C. O2
D. CO2
9 Aluminium oxide is:
A. Acidic oxide
B. Basic oxide
C. Amphoteric oxided
D. None of these
10 Alkaline earth metals are usually
A. Reducing agent
B. Oxidizing agent
C. Amphoteric
D. Acidic

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