Environmental Issue And Environmental Pollution Ques 23

Question: Acid rains are produced by

Options:

A) excess $ NO _2 $ and $ SO _2 $ from burning fossil fuels

B) excess production of $ NH _3 $ by industry and coal gas

C) excess release of carbon monoxide by incomplete combustion

D) excess formation of $ CO _2 $ by combustion and animal respiration. (1988, 89)

Show Answer

Answer:

Correct Answer: A

Solution:

  • Acid rain refers to the precipitation with a pH of less than 5. It is a mixture of $ H _2SO _4 $ and $ HNO _3 $ the ratio of the two acids vary depending on the relative quantities of sulphur oxides and nitrogen oxides present in the atmosphere. These oxides are mainly produced by combustion of fossil fuels, smelters, industries, power plants, automobile exhausts etc.