Chemistry Fsc Part 2 Chapter 16 Online Test

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  • Chapter Name16

Chemistry Fsc Part 2 Chapter 16 Online Test

  • Total Questions17

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Chemistry Fsc Part 2 Chapter 16 Online Test

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Question # 1

A single chloride free radical can destroy how many ozone molecules.

Question # 2

In water the concentration of dissolved O2should be

Question # 3

Fungicides are teh pesticides which

Question # 4

Ozone is mostly produced in

Question # 5

How much fresh water is used for domestic purpose

Question # 6

Ozone depletion in stratosphere region is mainly due to the reaction of O3 with

Question # 7

Whcih water will be considered as polluted water.

Question # 8

The residence time of NO is

Question # 9

The pH range of the acid rain is.

Question # 10

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

Question # 11

The thickness of ozone layer is.

Question # 12

The pH range of the acid rain is

Question # 13

The avoid teh formation of toxic compounds with chlorine which substance is used for disinfecting water.

Question # 14

Disinfection of water by chlorine is done by the production of.

Question # 15

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

Question # 16

Peroxyacetylnitrate (PAN) is an irritant to human beings and it affects

Question # 17

Thickness of the atmosphere is

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