state gov Kerala PSC Degree (Common Preliminary Examination) Mock Test Series 2025 General Knowledge Indian Geography Indian Economic and Human Geography
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?
1
1 only
2
2 only
3
Both 1 and 2
4
Neither 1 nor 2