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 of the following is a tetrabasic acid?

Question # 2

Which element has highest oxidation potential

Question # 3

Sodium hexametaphophate is known as

Question # 4

Which is litharge or massicot?

Question # 5

Gypsum is a common mineral of

Question # 6

Which of the following salt is used as purgative

Question # 7

______ reacts with alkalis to give hydrogen

Question # 8

Which of the following salt is soluble in water

Question # 9

The element caesium bears resemblance with

Question # 10

What is the formula of asbestos?

Question # 11

When SO2is passed through acidified K2Cr2O7solution

Question # 12

Which one of the following equations represent the reaction that occurs when calcium nitrate is heated strongly

Question # 13

HNO2acts as an/a

Question # 14

BiCl3on hydrolysis forms a white precipitate of

Question # 15

Which of the following statement is not related to Solvay's process of Na2CO3

Question # 16

Which of the following are electropositive in nature

Question # 17

Which carbonate of alkali metals is insoluble in water

Question # 18

Hybridized in carbon is:

Question # 19

Which is used in navigational equipments?

Question # 20

Which on of the following compounds does not exist?

Question # 21

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

Question # 22

When sulphur is boiled with Na2SO3solution, the compound formed is

Question # 23

Which property is not present in Al?

Question # 24

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

Question # 25

Density of aluminium is (g cm-3):

Question # 26

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

Question # 27

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

Question # 28

Gypsum is applied to the soil to provide calcium and

Question # 29

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

Question # 30

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

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 The acid which has a peroxy linkage is
A. Sulphurous acid
B. Pyrosulphuric acid
C. Dithionic acid
D. Caro's acid
2 When sulphur is boiled with Na2SO3solution, the compound formed is
A. Sodium sulphides
B. Sodiums sulphates
C. Sodium persulphate
D. Sodium thiosulphate
3 Which of the following fluorides does not exists?
A. NF5
B. PF5
C. AsF5
D. SbF5
4 The formula of lime stone is
A. CaCl2
B. MgCO3
C. Na2CO3
D. CaCO3
5 The alkali metals form
A. Ionic bond
B. Covalent bond
C. Co-ordinate bond
D. H-bond
6 Polyanion formation is maximum in
A. Nitrogen
B. Oxygen
C. Sulphur
D. Boron
7 Which is used in navigational equipments?
A. B
B. Be
C. Mg
D. Al
8 Baking powder has which one of the following formula
A. Na2CO3
B. Na2SO4
C. NaHCO3
D. K2CO3
9 The chemical formula of gypsum is
A. CaSO4. 5H2O
B. CaSO4. 4H2O
C. CaSO4. 2H2O
D. None of these
10 Which of the element is not alkali metal
A. Lithium
B. Rubidium
C. Francium
D. Magnesium

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