Automobile exhaust is passed through two compartments catalytic converter employing platinum as catalyst for___________________?

Related Mcqs:

Very small amount of air pollutants are present in stratosphere also; though most of the atmospheric pollutants are present in the troposphere. Which of the following atmospheric pollutants does not cause the ozone layer depletion in atmosphere at tremendous rate ?

A. CO B. SO2 C. NOx D. CFC (chloro fluoro carbons)...

Pick out the correct statement ?

A. Deforestation helps in controlling the green house effect B. Global warming is detrimental for increase in food productivity and may cause flood and cyclone C. Lightening discharges are natural source of production of SO2 & H2S pollutant D. Sulphur dioxide causes death by asphyxiation...

Persons working in cement plants and limestone quarries are more prone to disease like__________________?

A. Cancer B. Asthma C. Silicosis D. Fluorosis (bone disease)...

Brown spots in fabrics will be caused by washing with water containing large amount of___________________?

A. Iron B. Zinc C. Iodine D. Bromine...

In sewage treatment, the detention period allowed for oxidation ponds ranges from _____________ weeks?

A. 1 to 2 B. 4 to 5 C. 9 to 10 D. 15 to 20...