Inorganic Chemistry Test

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Inorganic Chemistry Test - 4

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Weekly Quiz Competition

Question 1
1 / -0

Which of the following gases is produced when marble chips are reacted with dil. HCl?

A
Chlorine

B
Carbon dioxide

C
Carbon monoxide

D
Hydrogen

Solution

When marble chips are reacted with dil. HCl, carbon dioxide gas is produced.
Question 2
1 / -0

Which of the following is not a property of liquid ammonia?

A
Non conductor of electricity

B
Consists of molecules

C
Volatile

D
Weak refrigerant

Solution

Liquid ammonia has vaporisation properties, it is a useful refrigerant. It was commonly used prior to the popularisation of chlorofluorocarbons (freons). Anhydrous ammonia is widely used in industrial refrigeration applications because of its high energy efficiency and low cost. Due to this reason, option (4) is incorrect.
Question 3
1 / -0

Which of the following is used as a catalyst in Haber's process?

A
Finely divided iron

B
Traces of molybden

C
Traces of sulphur compounds

D
Carbon dioxide

Solution

The finely divided iron is used as a catalyst in Haber's process.
Question 4
1 / -0

Which of the following processes is used to prepare nitric acid?

A
Ostwald's process

B
Bosch process

C
Harber's process

D
Sotvay's process

Solution

Ostwald's process is used to prepare nitric acid.
Question 5
1 / -0

Why is nitric acid prepared in the laboratory slightly yellow?

A
Due to dissolution of NO₂ gas.

B
Due to dissolution of N₂ gas.

C
Due to dissolution of O₂ gas.

D
Due to the action of impurities.

Solution

Due to dissolution of NO₂ gas, nitric acid prepared in the laboratory is slightly yellow.
Question 6
1 / -0

Which of the following does not burst into flames when hot conc. nitric acid is poured into it?

A
Saw dust

B
Turpentine

C
Potassium iodide

D
Alcohol

Solution

Potassium iodide does not burst into flames when hot conc. nitric acid is poured into it.
Question 7
1 / -0

Nitric acid is used to purify which of the following metals?

A
Cu

B
Ag

C
Au

D
Pb

Solution

Nitric acid is used to purify gold.
Question 8
1 / -0

Prismatic sulphur is formed by

A
bubbling air through molten sulphur

B
allowing molten sulphur to crystallise slowly in contact with hot molten sulphur

C
passing an electric arc through sulphur vapour

D
cooling molten sulphur quickly with water

Solution

Monoclinic sulphur exists as long needle–like prisms. Hence, it is also called prismatic sulphur. It is prepared by allowing molten sulphur to crystallize slowly in contact with hot molten sulphur.

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Inorganic Chemistry Test - 4

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Inorganic Chemistry Test - 4

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Question 1

Chlorine

Carbon dioxide

Carbon monoxide

Hydrogen

Solution

Question 2

Non conductor of electricity

Consists of molecules

Volatile

Weak refrigerant

Solution

Question 3

Finely divided iron

Traces of molybden

Traces of sulphur compounds

Carbon dioxide

Solution

Question 4

Ostwald's process

Bosch process

Harber's process

Sotvay's process

Solution

Question 5

Due to dissolution of NO2 gas.

Due to dissolution of N2 gas.

Due to dissolution of O2 gas.

Due to the action of impurities.

Solution

Question 6

Saw dust

Turpentine

Potassium iodide

Alcohol

Solution

Question 7

Cu

Ag

Au

Pb

Solution

Question 8

bubbling air through molten sulphur

allowing molten sulphur to crystallise slowly in contact with hot molten sulphur

passing an electric arc through sulphur vapour

cooling molten sulphur quickly with water

Solution

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Due to dissolution of NO₂ gas.

Due to dissolution of N₂ gas.

Due to dissolution of O₂ gas.