Fsc Part 2 Chemistry Online Test-Chapter 16 Environment Chemistry | ilmkidunya

Chemistry Fsc Part 2 Chapter 16 Online Test

Sr. #	Questions	Answers Choice
1	Which one is primary pollutant.	Peroxyacetyl nitrate Sulphuric acid Carbonic acid Carbon monoxide
2	The region of earth capable of supposing life is called.	Atmosphere Bisphere Dithosphere Hydrosphere
3	Ecosystem is a smaller unit of	lithospher hydroshper atmosphere biosphere
4	Fungicides are the pesticides which	Control the growth of fungus Kill insects Kill plants Kill herbs
5	The avoid the formation of toxic compounds with chlorine which substance is used for disinfecting water	KMnO<sub>4</sub> O<sub>3</sub> Alums Chloramines
6	Peroxyacetylnitrate (PAN) is an irritant to human beings and it affects	eyes ears stomach nose
7	The pH range of the acid rain is	7-6-5 6.6-6 6-5.6 less than 5
8	The news paper can be recycled again and again as many times as	5 3 4 2
9	Water is disinfected by a substance to avoid toxification	KMnO<sub>4</sub> Alums O<sub>3</sub> Cl<sub>2</sub>
10	In water the concentration of dissolved O₂should be	1-3 ppm 2-4 ppm 4-8 ppm 8-12 ppm
11	The main pollutant of leather tanneries in the waste water is due to	Lead Chromium VI Copper Chromium III
12	Which gas is cause of Asthma	O<sub>3</sub> O<sub>2</sub> SO<sub>2</sub> CO<sub>2</sub>
13	Peroxyacetyl nitrate (PAN) is a irritant to human beings and it affects	Eyes Ears Stomach Nose
14	The pH of truly acidic rain is	7-6.8 6.5-6 6-5.6 less than 5
15	The pH of unpolluted rain water should be	5.00 5.60 6.50 7.00
16	A single chloride free radical can destroy how many ozone molecules	100 100,000 100,00 unlimited
17	Which is a secondary pollutant	Carbonic acid CO<sub>2</sub> SO<sub>2</sub> CO

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