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 formed by the action of water on sodium peroxide?

Question # 2

Which of the following oxides is peroxide?

Question # 3

The chemical formula of magnesite is

Question # 4

Gypsum is applied to the soil to provide calcium and

Question # 5

Which of the following are electropositive in nature

Question # 6

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

Question # 7

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

Question # 8

Which is used in navigational equipments?

Question # 9

What causes nitrogen to be chemically inert?

Question # 10

The structure of white phosphorus is

Question # 11

______ is called milk of magnesia

Question # 12

Chemical composition of colemnite is:

Question # 13

Permonosulphuric acid is known as

Question # 14

In a group IIA from top to bottom as the atomic number increases, there is regular decreases in

Question # 15

Which is an essential constituent of chlorophyll

Question # 16

Pb has inert pair of electrons:

Question # 17

Heavy water is obtained by

Question # 18

Sulphuric acid has great affinity for water because

Question # 19

Polyanion formation is maximum in

Question # 20

The chemical formula of Trona is

Question # 21

NaHCO3is prepared by

Question # 22

The chemical formula of gypsum is

Question # 23

Corrundam is ore of:

Question # 24

Marble is chemically

Question # 25

Gypsum is a common mineral of

Question # 26

Which will have the maximum value of heat of hydration

Question # 27

The acid which has a peroxy linkage is

Question # 28

Which of the following sulphates has the highest solubility in water

Question # 29

Which of the following salt is soluble in water

Question # 30

Which has soapy touch?

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 Phosphine is not obtained by the reaction when
A. White P is heated with NaOH
B. Red P is heated with NaOH
C. Ca2P2reacts with water
D. PH4l is boiled with water
2 Which metal of Group-II A of the periodic Table, will form the least ionic chloride
A. Be
B. Mg
C. Ca
D. Sr
3 Sodium is manufacture by the electrolysis of fused sodium chloride and not from an aqueous solution of sodium chloride because
A. Sodium chloride does not ionize in the water solution
B. Sodium chloride is not soluble in water
C. Sodium deposited at the cathode may react with water to form sodium hydroxide
D. Electricity does not pass through aqueous NaCl
4 Which of the following is a tetrabasic acid?
A. ORthophosphoric acid
B. Hyposphosphorus acid
C. Metaphosphoric
D. Pyrophosphoric acid
5 The element which has a simple cubic lattice in solid state is
A. Se
B. Te
C. Po
D. None of these
6 Dipole moment of CO molecule is:
A. 0.0
B. 1.112 D
C. 0.112 D
D. 2.112 D
7 Which element forms an iron with charge 3+?
A. Berylium
B. Aluminium
C. Carbon
D. Silicon
8 The chemical formula of gypsum is
A. CaSO4. 5H2O
B. CaSO4. 4H2O
C. CaSO4. 2H2O
D. None of these
9 Which of the following is not the reactions of lithium
10 Which oxide of nitrogen is obtained on heating ammonium nitrate at 250° C?
A. Nitric oxide
B. Nitrous oxide
C. Nitrogen dioxide
D. Dinitrogen tetraoxide

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