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

Potassium superoxide has a use in breathing equipment in space crafts. The balanced equation for the reaction is

Question # 2

Which shows maximum catenation property?

Question # 3

Which of all following compound is not possible

Question # 4

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

Question # 5

Which is used in navigational equipments?

Question # 6

Which of the following sulphates has the highest solubility in water

Question # 7

Which of the following is acidic?

Question # 8

Solvay process is used in the manufacture of

Question # 9

The number of electron that are paired in oxygen molecule are

Question # 10

Which of the following equations represents the action of heat on NaHCO3

Question # 11

As a fixing agent in photography, sodium thisoulphate is used for

Question # 12

P2O5is heated with water to give

Question # 13

Which is litharge or massicot?

Question # 14

Silicon atom is hybridized:

Question # 15

Sodium hexametaphophate is known as

Question # 16

Which will have the maximum value of heat of hydration

Question # 17

Phosphine is not obtained by the reaction when

Question # 18

Phosphorus pentoxide finds use as

Question # 19

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

Question # 20

The alkali metals form

Question # 21

What is going to replace the petroleum?

Question # 22

Lime, calcium oxide, is used in agriculture for

Question # 23

The acid used in lead storage cells is

Question # 24

Hypo is used in photography for

Question # 25

When sulphur is boiled with Na2SO3solution, the compound formed is

Question # 26

Electron affinity of sulphur is

Question # 27

Permonosulphuric acid is known as

Question # 28

S-block elements consist of

Question # 29

Which of the element is not alkali metal

Question # 30

The structure of white phosphorus is

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 Gypsum is a common mineral of
A. Magnesium
B. Strontium
C. Calcium
D. Barium
2 Phosphorus pentoxide finds use as
A. An oxidizing agent
B. A reducing agent
C. A bleaching agent
D. A dehydrating agent
3 Which of the following has highest dipole moment?
A. NH3
B. PH3
C. AsH3
D. SbH3
4 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
5 Which of the following salt is soluble in water
A. CaCO3
B. CaSO4
C. MgSO4
D. BaSO4
6 CaC2on hydrolysis form
A. CH4
B. C2H4
C. C2H2
D. C6H6
7 Chemical composition of colemnite is:
A. Ca2B6O11.5H2O
B. CaB4O7 .4 H2O
C. Na2B7O7. 4 H2O
D. CaNaB5O9.8H2O
8 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
9 HNO2acts as an/a
A. Acid
B. Oxidizing agent
C. Reducing agent
D. All the three
10 Corrundam is ore of:
A. Li
B. Be
C. B
D. Al

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