06.
Substances that decrease the activity
of a catalyst are known as:
(1) controllers (2) promoters
(4) initiators
(3) poisons
67.
Which of the following is chemical
pollutant in water?
(1) Acrolein
(2) Polychlorinated biphenyls
(3) Peroxyacetyl nitrate
(4) Ozone
Answers
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0
Answer:
initiators
Peroxyacetyl nitrate
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