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 one of the following properties is not correct for ozone?

Question # 2

Hybridized in carbon is:

Question # 3

HNO2acts as an/a

Question # 4

Which has soapy touch?

Question # 5

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

Question # 6

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

Question # 7

Which of the following salt is soluble in water

Question # 8

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

Question # 9

Which of the following is lighter

Question # 10

P2O5is heated with water to give

Question # 11

What is the formula of asbestos?

Question # 12

S-block elements consist of

Question # 13

What is chrome yellow?

Question # 14

Which property is not present in Al?

Question # 15

All the following decompose easily on heating to give oxygen except

Question # 16

The formula of lime stone is

Question # 17

Which shows maximum catenation property?

Question # 18

The most acidic of the following compounds is

Question # 19

When SO2is passed through acidified K2Cr2O7solution

Question # 20

The acid which has a peroxy linkage is

Question # 21

Which salt is used for preserving food

Question # 22

The oxide of beryllium is

Question # 23

Aluminium oxide is:

Question # 24

Which element forms an iron with charge 3+?

Question # 25

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

Question # 26

Sodium forms largely

Question # 27

In the earth crust sodium is

Question # 28

Which of the following form normal oxide

Question # 29

______ gives peroxide

Question # 30

Which of the following is a tetrabasic acid?

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 Which of the following is the hardest metal among following
A. Li
B. Na
C. Rb
D. K
2 What causes nitrogen to be chemically inert?
A. Multiple bond formation in the molecule
B. Absence of bond distance
C. Short internuclear distance
D. High bond energy
3 When SO2is passed through acidified K2Cr2O7solution
A. The solution turns blue
B. The solution is decolourised
C. SO2is reduced
D. Green Cr2(SO4)3is formed
4 When sulphur is boiled with Na2SO3solution, the compound formed is
A. Sodium sulphides
B. Sodiums sulphates
C. Sodium persulphate
D. Sodium thiosulphate
5 Red P can be obtained form white P by
A. Heating it with a catalyst in an inert atmosphere
B. Distilling it in an inert atmosphere
C. Dissolving it in CS2and crysllizing
D. Melting it ad pouring the liquid into water
6 Which of the following compounds is explosive in nature?
A. Phosphorus trichloride
B. Nitrogen trichloride
C. Hyponitrous acid
D. Nitrosyl chloride
7 Which of the following salt is soluble in water
A. CaCO3
B. CaSO4
C. MgSO4
D. BaSO4
8 Hybridized in carbon is:
A. sp
B. sp2
C. sp3
D. d2sp
9 Calcium carbide reacts with water to produce
A. Acetylene
B. Methane
C. Ethylene
D. Ethane
10 Which property is not present in Al?
A. Reacts with acid
B. Reacts with bases
C. Changes litmus paper
D. Changes methyle orange colour

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