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601.

The gas leaked from a stronge tank of the Union Carbide plant in Bhopal gas tragedy wasA. AmmoniaB. PhosgeneC. MethylisocyanateD. Methylamine

Answer» Correct Answer - C
Methylisocyanate.
Discussion
602.

The gas leaked from a stronge tank of the Union Carbide plant in Bhopal gas tragedy wasA. methylisocyanateB. methylisocyanideC. ammoniaD. carbonate

Answer» Correct Answer - A
Unpleasant and fatal gas leaked from carbide factroy was methylisocyanate `(CH_(3)NCO)`.
Discussion
603.

Major source of methane in India isA. Rice fieldsB. Sugarcane plantationC. Wheat fieldsD. Fruit orchards

Answer» Correct Answer - A
Main source of methane in India is reice fields
Discussion
604.

In metropolitan cities like Mumbai and Calcutta, the major atmospheric pollutants areA. Carbon monoxide and oxides of sulphurB. OzoneC. Hydrocarbons and hot airD. Pollens and marsh gas

Answer» Correct Answer - A
Discussion
605.

Which reaction is not involved in photchemical smog formation ?A. `CH_(4)(g)+2O_(3)(g)rarr 3CH_(2)=O(g)+3H_(2)O`B. `SO_(2)(g)+(1)/(2)O_(2)(g) rarr SO_(3)(g)`C. `NO_(2)(g) overset(hv)rarr NO(g)+O(g)`D. `NO(g)+O_(3)(g) rarr NO_(2)(g)+O_(2)(g)`

Answer» Correct Answer - B
Discussion