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

Calcium carbide reacts with water to produce

Question # 2

Alkaline earth metals posses two electrons in their outermost

Question # 3

When sulphur is boiled with Na2SO3solution, the compound formed is

Question # 4

Basicity of orthoposphoric acid is

Question # 5

Sodium forms largely

Question # 6

Which of the following is a tetrabasic acid?

Question # 7

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

Question # 8

What is going to replace the petroleum?

Question # 9

When SO2is passed through acidified K2Cr2O7solution

Question # 10

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

Question # 11

Phosphorus pentoxide finds use as

Question # 12

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

Question # 13

What is chrome yellow?

Question # 14

Which one of the following is not an alkali metal

Question # 15

S-block elements consist of

Question # 16

The number of electron that are paired in oxygen molecule are

Question # 17

Dipole moment of CO molecule is:

Question # 18

Which of the following element is most reactive

Question # 19

The acid used in lead storage cells is

Question # 20

Pb has inert pair of electrons:

Question # 21

What is the formula of asbestos?

Question # 22

Which of the following is lighter

Question # 23

Carbonates of alkali metals dissolves freely in water to form

Question # 24

HNO2acts as an/a

Question # 25

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

Question # 26

Electron affinity of sulphur is

Question # 27

Which is litharge or massicot?

Question # 28

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

Question # 29

Chemical composition of colemnite is:

Question # 30

Which is an essential constituent of chlorophyll

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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 The acid used in lead storage cells is
A. Phosphoric acid
B. Nitric acid
C. Sulphuric acid
D. Hydrochloric acid
3 Which will have the maximum value of heat of hydration
A. Na+
B. Cs+
C. Ba+2
D. Mg+2
4 The chemical formula of chile salt peter is
A. Na2CO3
B. KNO3
C. NaNO3
D. NaNO2
5 Which is used to remove air bubbles form metals?
A. B
B. Be
C. Mg
D. Al
6 Each of the following is true of white and red phosphours except that they
A. Are both soluble in CS2
B. Can be oxidized by heating in air
C. Consist of the same kind of atoms
D. Can be converted into one another
7 Chile saltpetre has the chemical formula
A. NaNO3
B. KNO3
C. Na2B4O7
D. Na2CO3H2O
8 The alkali metals form
A. Ionic bond
B. Covalent bond
C. Co-ordinate bond
D. H-bond
9 Which on of the following compounds does not exist?
A. NCl5
B. AsF5
C. SbCl5
D. PF5
10 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

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