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