Q1 of 23 Page 197

Mention whether the following statements are true (T) or false (F)

(i) Diseases like cholera and jaundice are the results of soil pollution.


(ii) CO2 and methane are directly contributing to global warming. (T/F)


(iii) Erosion of ancient monuments and statues is caused by acid rain which itself is the result of gaseous pollution. (T/F)


(iv) Use of unleaded petrol and compressed Natural Gas (CNG) in automobiles is one of the methods of abatement of gaseous and particulate air pollution. (T/F)

(i) False


Explanation: Diseases like cholera and jaundice are a result of water pollution.


(ii) True


Explanation: Carbon dioxide and methane are the potential gases for causing global warming


(iii) True


Explanation: Acid rain is formed when water (rain) meets the harmful gases in the atmosphere. They get transformed into acids which pour down as a part of the rain. The acid, being corrosive in nature, harms the monuments.


(iv) True


Explanation: Unleaded petrol and Compressed Natural Gas, when burnt - used as fuel - let out a significantly lesser number of harmful products.


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