RRB GROUP D Chemistry Quiz

Question 1:

Which oxides are used as drier in paints?

Cobalt
Potassium
Manganese
Calcium

1,2,3

1,3

2,4

2,3,4

Question 2:

Setting of cement involves

Hydrolysis reaction
Exothermic reaction
Endothermic reaction
Dehydration reaction

1,3

2,3

1,2

3,4

Question 3:

Potassium nitrate is a salt and is used

In gun powder

In paints

To make soap

To make fertilizers

Question 4:

Directions – Question consist of two statements labelled as statement I and statement II . Examine both the statement and mark the correct choice according to the codes given below

Statement I – NPK is known as Kisan khad or kisan urea.

Statement II – Ammonium phosphate, Urea ammonium phosphate are the examples of NPK.

Both statement I and statement II are true and Statement II is the correct explanation of Statement I

Both statement I and statement II are true and Statement II is not the correct explanation of Statement I

Statement I is true, but statement II is false

Statement I is false, but II is true

Question 5:

Superconductors carry electrical current with no decay. They have

Infinite resistivity

High resistivity

Zero resistivity

Zero conductivity

Question 6:

Which of the following particulate produced by the combustion of fossil fuels?

Cement

Lead oxide

Dust

Smoke

Question 7:

Discharge of hot effluents into rivers or lakes

Increased the amount of dissolved oxygen in water

Maintained the amount of dissolved oxygen in water

Decreased the amount of dissolved oxygen in water

First increase and then decrease the level of dissolved oxygen in water.

Question 8:

Water can be conserved by

Constructing dams and reservoirs
Adopting water harvesting techniques
Cutting more trees
By using drip irrigation method

1,2,4

1,2,3

2,3,4

1,3,4

Question 9:

Match the following-

A-III,B-I,C-IV,D-II

A-I,B-III,C-II,D-IV

A-III,B-II,C-I,D-IV

A-III,B-I,C-II,D-IV

Question 10:

Which of the following pollutant has a strong smell of rotten egg?

Carbon monoxide

Sulphur dioxide

Hydrogen sulphide

Nitrogen oxides

RRB GROUP D Chemistry Quiz - 61

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RRB GROUP D Chemistry Quiz - 61

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