Chemistry - Study Mode

[#531] Main pollutants released from iron and steel industry are
Correct Answer

(A) CO, CO 2 and SO 2

Explanation

Solution: Main pollutants released from iron and steel industry are CO, CO 2 and SO 2 .

[#532] The 'solid waste' is also known as
Correct Answer

(C) Sludge

Explanation

Solution: The 'solid waste' is also known as sludge.

[#533] London smog is found in
Correct Answer

(C) Winter during morning time

Explanation

Solution: London smog is found in winter during morning time.

[#534] Photo chemical smog is a resultant of the reaction among
Correct Answer

(D) NO 2 , O 3 and peroxy acetyl nitrate in the presence of Sunlight

Explanation

Solution: Photochemical smog is a unique type of air pollution which is caused by reactions between sunlight and pollutants like hydrocarbons and nitrogen dioxide (NO and NO 2 ). Other components of the photochemical smog include Ozone (O 3 ) formaldehyde, peroxy benzoyl nitrate (PBzN), peroxy acetyl nitrate (PAN) and acrolein.

[#535] The gas involved in Bhopal incident was
Correct Answer

(D) Methyl isocyanate

Explanation

Solution: 3 leak of toxic methyl isocyanate gas at a Union Carbide plant in the central Indian city of Bhopal produced history's worst industrial disaster, stunning India and the world.