This is a timed quiz. You will be given 15 seconds per question. Are you ready?
15
The main constituents of pearls are?
Correct!
Wrong!
The hardest substance available on earth is?
Correct!
Wrong!
Detergents used for cleaning clothes and utensils contain?
Correct!
Wrong!
Wood is the main raw material for the manufacture of?
Correct!
Wrong!
In vulcanization, natural rubber is heated with?
Correct!
Wrong!
Water is a good solvent of ionic salts because?
Correct!
Wrong!
Production of chlorofluorocarbons (CFC) gas which is proposed to be banned in India, is used in which of the following domestic products?
Correct!
Wrong!
Which of the following is used as a lubricant?
Correct!
Wrong!
Science Quiz 52
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