Environmental C...

Acid rain is caused by or recent reports of acid rain in some industrial cities are due to the effect of atmospheric pollution by

Assertion : Pyrethrum is collected from the leaves of Chrysanthemum cinerarifolium.

Reason :Pyrethrin is prepared from pyrethrum.

The concentration of pesticide required to destroy 50% of pest is called 

The oxides of nitrogen and sulfur, when mixed with water in the air, are the chief components of acid rain.

Acid rain is due to

Abhi labelled four pots as P, Q, R and S. He placed vegetable peels and fruits in pot P, broken glasses in pot Q, plastic bags in pot R and plastic toys in pot S. He then covered all the pots with soil and left them for two weeks. The contents of which pot will be decomposed by microbes present in soil?

 Acid rain happens because:

Cloth or paper bags are encouraged for use by us. Which of the following is a reason for imposing ban on plastic bags?

What are the by-products of fertiliser industries, which affect the environment?

What does Green Chemistry in terms of environment mean?