The process in which the chlorination is done beyond the break point is known as_________________?

Question: Noise level heard inside a bus in busy city traffic or inside a sub-way train corresponds to about __________ decibels.
[A].

75

[B].

95

[C].

120

[D].

140

Answer: Option B

Explanation:

No answer description available for this question.

Question: Direct reaction of unsaturated hydrocarbons with either NO or NO2 produces an eye irritating pollutant compound known as
[A].

photochemical smog.

[B].

peroxy acetyl nitrate (PAN) or methyl nitrile.

[C].

benzopyrene.

[D].

poly acrylonitrile

Answer: Option B

Explanation:

No answer description available for this question.