NTPC CBT-2 Chemistry Quiz

Question 1:

Farmers mix lime with soil in their fields. because-

Lime is very helpful in maintaining the water content in the soil

Lime decrease the acidity of soil

Lime decrease the basicity of soil

Lime is required for the growth of plants

Question 2:

Which of the following metal react with steam ?

Iron
Zinc
Calcium
Lead

Both 1 and 2

Both 2 and 3

Both 1 and 4

1,2,3

Question 3:

Bases turns -------litmus solution ---------

Red , blue

Blue , red

Red , orange

Red , colourless

Question 4:

Rutherford kept his model in vacuum

To prevent alpha particles being stopped by gas molecules.

To ensure alpha hits perpendicular to gold foil

To provide a narrow beam of alpha particles

All of the above

Question 5:

Methanol is a poison because

It oxidized to methanol in the liver of a person

It oxidized to methanoic acid in the kidney of a person

It oxidized to methanal in the liver of a person

None of these

Question 6:

In a dry cell , which of the following are used as a electrolyte ?

Ammonium chloride and zinc chloride

Sodium chloride and calcium chloride

Ammonium chloride and calcium chloride

Magnesium chloride and ammonium chloride

Question 7:

Solder is an alloy of

Cu and Sn

Fe and Zn

Pb and Sn

Ag and Zn

Question 8:

Which of the following is used for preventing moths in clothes ?

Chloroform

Chloropicrin

Naphthalene

Ethyl bromide

Question 9:

Which of the following is the raw material for cement ?

Lime stone
Clay
Gypsum
Alumina

Only 1

1,2,3

1,2,3,4

Both 3 and 4

Question 10:

Which one of the following is the anion ?

Carbonate
Hydroxide
Ammonium
Nitrate

Only 3

1 ,2,4

Only 1

Only 4

NTPC CBT-2 Chemistry Quiz - 9

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NTPC CBT-2 Chemistry Quiz - 9

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