The solution of one of the following compounds will conduct electricity. This compound is:

The branch of study dealing with old age and aging is known as _. 

Which of the following viruses causes common cold? 

From which one of the following plants, the insecticide pyrethrum is prepared 

From whom do the salt of food is formed?

Which gas in its solid state is also known as dry ice?

What is deposited on iron in the process of galvanisation?

Chloroform can be used as