Which of the following is not a greenhouse gas?

Which of the following pair of oxides is responsible for acid rain?

Statement I : Productivity of eutrophic lake is maximum.
Statement II : Cation is mainly due to adding of \(SO_{4}^{2-}\)and heavy metals

Green chemistry means such reaction which __________

Decomposition of organic matter through microbial activity is known as ____________

Most common and commercial water pollutant is _____________

Identify the component of photechemical smog which is not the common one.

Statement I : Ozone depletion potential is maximum is CFC's
Statement II: CFC looses active chlorine

Earth is protected from UV rays by ______________

Which one of the following is not a property of classical smog?

The layer of atmosphere which extends upto 10 km from sea level is called ______

NO₂ and SO₂ have some properties in common. Which property shown by one of these compounds, but not by the other?

Identify the secondary pollutant among the following

High concentration of lead in human blood damages ______________

Which of the following is responsible for acid rain?

Biochemical oxygen Demand value less than 5 ppm indicates a water sample to be ______.

Living in the atmosphere of CO is dangerous because it __________.

Ozone depletion will cause ___________.

Photo chemical smog formed in congested metropolitan cities mainly consists of ___________

Assertion (A) : Excessive use of chlorinated pesticide causes soil and water pollution.
Reason (R) : Such pesticides are non-biodegradable.
i) Both (A) and R are correct and (R) is the correct explanation of (A)
ii) Both (A) and R are correct and (R) is not the correct explanation of (A)
iii) Both (A) and R are not correct
iv) (A) is correct but( R) is not correct