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

environmental chemistry PRACTICE TEST [3 - EXERCISES]

set 1

set 2

set 3

Question : 1

The substance which is not regarded as a pollutant?

a) CO2

b) O3

c) NO2

d) Hydrocarbons

Answer: (a)

CO2 is generally not regarded as an pollutant.

Question : 2

Which of the following gas causes pollution –

a) CO

b) SO2

c) Both (a) and (b)

d) None of the above

Answer: (c)

Question : 3

Which of the following gases is not a green house gas?

a) O3

b) CH4

c) CO

d) H2O vapour

Answer: (c)

Question : 4

A green house

a) both the above

b) is that “body” which allows the short wavelength incoming solar radiation to enter in, but does not allow long wavelength outgoing infra-red radiations to escape out

c) is an enclosure of glass in which plants are kept to protect them from cold air outside

d) none of the above

Answer: (a)

Question : 5 [NDA]

Which raw material is used in the preparation of soft glass ?

a) Na2CO3, SiO2, CaCO3

b) K2CO3, SiO2, PbCO3

c) K2CO3, Sio2, CaCO3

d) Na2CO3, SiO2, PbO

Answer: (a)

IMPORTANT general science mcq EXERCISES
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