Question

What problems are caused by the presence of following in excessive amount in the air?

(a) dust particles

(b) smoke particles

(c) sulphur dioxide gas

(d) nitrogen dioxide gas

(e) carbon monoxide gas

(f) hydrorgen sulphide

Answer 1

(a) Excess of dust particles can cause serious respiratory problems.

(b) Excess of smoke particles in air can cause serious respiratory problems.

(c) Excess of sulphur dioxide gas can lead to acid rain and cause respiratory problems.

(d) Excess of nitrogen dioxide gas can lead to acid rain damaging plants and properties.

They also cause respiratory problems. They lead to thinning of ozone layer too.

(e) Excess of carbon monoxide leads to breathing problem and can be fatal.

(f) Excess of hydrogen sulphide can lead to serious respiratory problems as it is very toxic. It can also affect the nervous system in humans.