Welcome to the Science Quiz 52

This is a timed quiz. You will be given 15 seconds per question. Are you ready?

The hardest substance available on earth is?

Gold

Iron

Diamond

None of these

Correct! Wrong!

In vulcanization, natural rubber is heated with?

Sulphur

Silicon

Carbon

None of these

Correct! Wrong!

Detergents used for cleaning clothes and utensils contain?

Sulphonates

Bismuthates

Bicarbonates

None of these

Correct! Wrong!

The main constituents of pearls are?

None of these

Correct! Wrong!

Water is a good solvent of ionic salts because?

It has a high boiling point

It has a high dipole moment

It has no colour

none

Correct! Wrong!

Which of the following is used as a lubricant?

Silica

Graphite

Diamond

All of these

Correct! Wrong!

Wood is the main raw material for the manufacture of?

Paper

Ruby

Sapphire

None

Correct! Wrong!

Production of chlorofluorocarbons (CFC) gas which is proposed to be banned in India, is used in which of the following domestic products?

Television

Cooking gas

both (a) & (b)

Refrigerator

Correct! Wrong!

Science Quiz 52

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Welcome to the Science Quiz 52

The hardest substance available on earth is?

In vulcanization, natural rubber is heated with?

Detergents used for cleaning clothes and utensils contain?

The main constituents of pearls are?

Water is a good solvent of ionic salts because?

Which of the following is used as a lubricant?

Wood is the main raw material for the manufacture of?

Production of chlorofluorocarbons (CFC) gas which is proposed to be banned in India, is used in which of the following domestic products?

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