Chemistry Fsc Part 2 Chapter 16 Online Test

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  • Chapter Name16

Chemistry Fsc Part 2 Chapter 16 Online Test

  • Total Questions17

  • Time Allowed20

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Chemistry Fsc Part 2 Chapter 16 Online Test

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Question # 1

The residence time of NO is

Question # 2

Water is disinfected by a substance to avoid toxification

Question # 3

Photochemical smog mainly consist of

Question # 4

Fungicides are the pesticides which

Question # 5

Peroxyacetyl nitrate (PAN) is a irritant to human beings and it affects

Question # 6

Thickness of the atmosphere is

Question # 7

In purification of potable water the coagulant used is

Question # 8

A single chloride free radical can destroy how many ozone molecules

Question # 9

The thickness of ozone layer is.

Question # 10

The normal amount of overhead ozone is.

Question # 11

Thickness of atmosphere is about how much kilometer above the surface of warth

Question # 12

In water the concentration of dissolved O2should be

Question # 13

The yellowish colour in photochemical smog is due to the presence of.

Question # 14

The main pollutant of leather tanneries in the waste water is due the salt of.

Question # 15

Peroxyacetyl nitrate is an irritant to humab beings and it affects

Question # 16

The region of earth capable of supposing life is called.

Question # 17

Which gas is cause of Asthma

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