environmental chemistry - Category wise Question and Answer Practice Test with Solutions

Question : 31 [IAS Prelim]

Which one of the following is used as an explosive?

a) Graphite

b) Mercuric oxide

c) Phosphorus trichloride

d) Nitroglycerine

Question : 32

Minamata disease is due to pollution of

a) organic waste into drinking water

b) oil spill in water

c) aresenic into the atmosphere

d) industrial waste mercury into fishing water

Question : 33

Identify the incorrect statement from the following.

a) Depletion of ozone layer is because of its chemical reactions with chlorofluoro alkanes.

b) Ozone absorbs infrared radiation.

c) Ozone absorbs the intense ultraviolet radiation of the sun.

d) Oxides of nitrogen in the atmosphere can cause the depletion of ozone layer.

Question : 34

Which of the following statements is not true about classical smog?

a) Produced in cold and humid climate.

b) It contains compounds of reducing nature.

c) Its main components are produced by the action of sunlight on emissions of automobiles and factories.

d) It contains smoke fog and sulphur dioxide

Question : 35 [NDA]

The major component used in preparation of different types of glasses is

a) Calcium silicate

b) Sodium borate

c) Silica

d) Sodium silicate