With reference to two non-conventional energy sources called 'coalbed methane' and 'shale gas', consider the following statements: 1. Coalbed methane is the pure methane gas extracted from coal seams, while shale gas is a mixture of propane and butane only that can be extracted from fine-grained sedimentary rocks. 2. In India, abundant coalbed methane sources exist, but so far no shale gas sources have been found. Which of the statements given above is/are correct?
A1 only
B2 only
CBoth 1 and 2
DNeither 1 nor 2
Answer & Solution
Correct answer: D. Neither 1 nor 2
UPSC CSE Prelims 2014 (GS-I, Set A), Q.38. Official answer key: D.
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