What is spurious liquor ? What makes it harmful?

What is air pollution ? What are the harmful effects of sulphur dioxide , nitrogen dioxide and hydrogen sulphide present in the air ?

What is Acid rain ? What are its harmful effects ?

Which is least harmful

What is the source of LSD? What harms does it cause?

What makes the plants green?

Oxygen is harmful for

Name any one green house gas and its possible source of production on a large scale . What are the harmful effects of it ?

What properties of water make it useful as a solvent? What types of compound can it (i) dissolve and (ii) hydrolyse?

We often observe domestic waste decomposing in the bylanes of residential colonies. Suggest ways to make people realise that the improper disposal of waste is harmful to the environment.

What are particulates and why is their presence in the atmosphere is harmful?