Most of the atmospheric air pollutants are present in large quantity in__________________?

Related Mcqs:

In water treatment plant, zeolite process is used to remove the _____________ of water?

A. Acidity B. Alkalinity C. Hardness D. Iron & zinc...

Maximum permissible limit of industrial noise as recommended by World Health Organisation (WHO) is _____________ decibels?

A. 35 B. 75 C. 95 D. 105...

The lowest layer of atmosphere is known as the_____________________?

A. Stratosphere B. Troposphere C. Ionosphere D. None of these...

The biological decomposition of organic substances in wastes controlled conditions is called_________________?

A. Incineration B. Biological oxidation C. Composting D. None of these...

Inhalation of lead compounds present in the automobile exhausts (using leaded petrol) causes________________?

A. Blood poisoning B. Anaemia C. Nervous system disorder D. All A., B. and C....