What is the difference in fog and smog? Give two harmful effects of smog.

What is the difference between roasting and calcination? Give one example for each.

What are the harmful effects of acid rain ?

What protects the inner lining of the stomach from the harmful effects of hydrochloric acid ?

What is the difference between hydrolysis and hydration. Give examples.

Baculoviruses do not show harmful effect on

What steps do you suggets towards prevention from harmful effects of pesticides?

Explain in brief about the alternate methods to be followed to prevent the harmful effects of over usage of pesticides. (OR) Mention any four effective methods of controlling pests, which are less harmful on environment based on biological principles.

Write the differences between inductive effect and mesomeric effect

What is an emulsion ? Give two examples.

What is the harm caused by CFCS