F.SC Part 2 Chemistry Unit-16 Punjab Boards Chapter Wise Tests

F.SC Part 2 Chemistry Unit-16 Punjab Boards

Here are F.SC Part 2 Chemistry Unit-16 Punjab Boards important MCQs, Short Questions and Long Questions.

2nd Year Chemistry Chapter Wise Tests from Past Papers

All important mcqs, short and long questions from F.SC Part 2 Chemistry Unit-16 according to Punjab Boards syllabus of F.SC. All data is collected from past papers of annual examinations F.SC. Students who are preparing for fsc annual examination it will be very helpful for them to achieve success in the exam.

#F.SC Part 2 Chemistry Unit-16 Punjab Boards

Each question has four possible answers. Select the correct answer and circled it.       

v  Peroxyacetyl nitrate (PAN) is an irritant to human being and it affects

(a) eyes                             (b) ears                       

(c) stomach                       (d) nose

v  A single chlorine free radical can destroy how many ozone molecules

(a) 100                               (b) 10000                   

(c)100000                         (d) 10

v  The 99.5% Mass of the lithosphere is made of

(a) 11 elements                 (b) 12 elements          

(c) 13 elements                 (d) 14 elements

v  The residence time of Methane in Atmosphere is

(a)  4-8 years                     (b) 5-9 years               

(c) 6-10 years                    (d) 3-7 years

v  The elevated concentration of which element clogs the gills of fish

(a) Al                                 (b) Cu                         

(c) Mg                               (d) None of them

v  To avoid the formation of toxic compounds with chlorine which substance is used for disinfecting water

(a) KMnO₄                        (b) O₃                         

(c) Alum                           (d) Chloramines

v  Newspaper Can be recycled again and again how many times

(a) 2                                   (b) 3                           

(c)  4                                  (d) 5

v   Reprocessed plastic is used for manufacturing of

(a) Toys                             (b) Trays                    

(c) Cutlery                        (d) a and b

v  Leachate contains

(a)volatile organic acid    (b) Acetic acid           

(c)  Fatty acid                   (d)  all of them

v  Which is called liver carcinogen

(a) Chloroform                  (b) hypochlorous acid

(c)humic acid                    (d) b and c

B).       Give Short Answer of the following                                                                       

1.         What is Biosphere?

2.         How Human activities is producing “CO”.

3.         What is the role of chlorofluorocarbons in destroying ozone.

4.         Write four harmful effects of chlorination.

5.         What is chemical oxygen demond.

Q.No.2.                                                                                                                                  

(a)        What is Acid Rain. Write the effect of acid rain.  

(b)       How water is purified by coagulation.

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