NTPC CBT-2 Chemistry Quiz

Question 1:

Cirrhosis is the final stage of which disease?

Kidney

Liver

Heart

Intestine

Question 2:

Which of the following is used in medicines to remove acidity of stomach ?

Baking soda

Common salt

Washing soda

Plaster of Paris

Question 3:

Which one of the following substances is used in photography and also as an antichlor?

Chrome red

Sodium thiosulphate

Calomel

Hydrogen peroxide

Question 4:

Use aspartame is limited to cold foods and soft drinks because

It has very low boiling point

It gets dissociated at cooking temperature

It is insoluble at high temperature

It is soluble at low temperature .

Question 5:

The most abundant element in earth crust is

Iron

Magnesium

Aluminium

Calcium

Question 6:

The quality of petrol is expressed by which number?

Butane number

Reynolds number

Octane number

Cetane number

Question 7:

Packets of potato chips are usually flushed with which one of the following gasses to prevent rancidity ?

Carbon dioxide

Hydrogen

Nitrogen

Oxygen

Question 8:

Soaps remove grease by-

Coagulation

Absorption

Emulsification

Osmosis

Question 9:

If we add salt to pure water, its boiling point will be-

Increase

Decrease

Remains same

Both 1 and 2

Question 10:

The pH value of milk of magnesia is approximately

0

7

10

14

NTPC CBT-2 Chemistry Quiz - 8

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NTPC CBT-2 Chemistry Quiz - 8

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