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

When SO2is passed through acidified K2Cr2O7solution

Question # 2

The formula of lime stone is

Question # 3

The oxide of beryllium is

Question # 4

The maximum number of electrons in the outermost shall of s-black elements is

Question # 5

The chemical formula of gypsum is

Question # 6

Which of the following compounds is explosive in nature?

Question # 7

Phosphide ion has the electronic structure similar to that of

Question # 8

Which salt is used for preserving food

Question # 9

Permonosulphuric acid is known as

Question # 10

Oleum is

Question # 11

Polyanion formation is maximum in

Question # 12

Chemical composition of colemnite is:

Question # 13

Which of the following is acidic?

Question # 14

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

Question # 15

Which of the following elements is most metallic?

Question # 16

Al is the most element in earth crust:

Question # 17

The oxyacids of phosphorus in which phosphorus has the lowest oxidiation state is

Question # 18

Dipole moment of CO molecule is:

Question # 19

The acid used in lead storage cells is

Question # 20

Gypsum is a common mineral of

Question # 21

The electrolytic cell used for the production of metallic sodium is known as

Question # 22

The alkali metals form

Question # 23

Which salt is used for the treatment of hyperacidity in stomach

Question # 24

Alkali metals react violently with halogens to form

Question # 25

Which element forms an iron with charge 3+?

Question # 26

Ozone is not

Question # 27

In the earth crust sodium is

Question # 28

What is going to replace the petroleum?

Question # 29

Which of the element is not alkali metal

Question # 30

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

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 Which of the following compound is industrially prepared by the electrolysis of solution of NaCl
A. Na2CO3
B. NaHCO3
C. NaOH
D. NaOCl
2 Oleum is
A. Castor oil
B. Oil of vitriol
C. Fuming of H2SO4
D. None of them
3 Sodium should be stored in
A. Air free from moisture
B. Air free form carbon dioxide
C. Under water
D. Under kerosene oil
4 Chief ore of aluminium is:
A. Na3AIF6
B. Al2O3.2H2O
C. Al2O3
D. Al2O3 .H2O
5 Sodium is never found free in nature because of its
A. Chemical reactivity
B. Small ionic size
C. Small atomic volume
D. None of these
6 Gypsum is a common mineral of
A. Magnesium
B. Strontium
C. Calcium
D. Barium
7 P2O5is heated with water to give
A. Hypophosphorus acid
B. Phosphorus acid
C. Hypophosphorus acid
D. Orthophosphorus acid
8 The oxyacids of phosphorus in which phosphorus has the lowest oxidiation state is
A. Hypophosphorus acid
B. Orthophosphorus acid
C. Pyrophosphorus acid
D. Metaphosphorus acid
9 Al is the most element in earth crust:
A. O
B. Si
C. Al
D. Pb
10 A compound used as eye wash:
A. Borax
B. Boric acid
C. Metabolic acid
D. Pyroboric acid

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