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ICSE Class 10 Geography Question 7 of 32

Conventional Sources of Energy — Question 11

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11
Question

Question 3(c)

(i) Why do the natural gas deposits mostly accompany oil deposits?

(ii) What is added to domestic gas cylinders, which gives a foul smell? Why?

Answer

(i) Natural gas deposits mostly accompany oil deposits because it has been formed by decomposing remains of dead animals and plants buried under the earth.

(ii) Ethyl mercaptan, a foul smelling gas is added to domestic gas cylinders, so that any leakage of LPG from the cylinder can be detected instantaneously.