Common Chemical Industries in Pakistan and Environmental Chemistry MCQs 1

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MCQ's with answers from chapter 15 and Chapter 16 Common Chemical Industries in Pakistan and Environmental Chemistry, chemistry book 1 for FSC pre engineering and pre medical for Board of Intermediate and Secondary education. Also For Entry Test Preparation for UET, NUST, PIEAS, GIKI, AIR, FAST, WAH University, UHS, other engineering Universities and Medical Colleges.

1. Biosphere includes
   1. Hydrosphere only
   2. Lithosphere only
   3. Atmosphere only
   4. all
2. Which one is not a chemical pollutant?
   1. Noise
   2. Pesticides
   3. Liquid wastes
   4. Solid wastes
3. Which is not air pollutant?
   1. H2
   2. H2S 
   3. SO2
   4. O3
4. Which one is not a correct statement?
   1. Primary pollutants are those which are emitted directly from the source
   2. Secondary pollutants are those which are formed in the atmosphere by chemical interaction among primary pollutants and atmospheric constituents
   3. Acid-rain is a primary pollutant
   4. none
5. The acid rain possesses
   1. Sulphuric acid
   2. Nitric acid
   3. Sulphurous acid
   4. all
6. DDT is
   1. An antibiotic
   2. A fertilizer
   3. A non-degradable pollutant
   4. Dichlorodifluoro titanium
7. Which is not a water pollutant?
   1. Automobile exhaust
   2. Plant nutrients
   3. Oxygen demanding wastes
   4. Disease causing agents
8. If BOD of river is high, it means that the river is
   1. Very much polluted with inorganic chemicals
   2. Very much polluted with inorganic chemicals
   3. Very much polluted with organicchemicals which are decomposed by micro organisms
   4. Polluted with pesticides
9. Which of the following is produced by reaction of ultraviolet light?

                  1. CO
                  2. SO2
                  3. O3
                  4. NO2
     10. Photo-chemical oxidants such as PAN or PBN are formed by
                  1. Action of nitrogen oxides on hydrocarbons in the presence of sunlight
                  2. Action of carbon dioxide on hydrocarbons in the presence of sunlight
                  3. Action of hydrogen sulphide on hydrocarbon in the presence of sunlight
                  4. none

1. all
2. noise
3. H2
4. Acid rain is a primary pollutant
5. All
6. A non degradable pollutant
7. Automobile exhaust
8. Very much polluted with chemical which are decomposed by micro organisms
9. O3
10. Action of nitrogen oxides on hydrocarbons in the presence of sunlight