Home PYQs UPPSC UPPSC MCQs Prelims 2008 (GS Paper I)

Question

Hydrogen gas can be conveniently used as a fuel for running vehicles if it is absorbed at very low temperature by a substance only to be released in the temperature generated by the exhaust. What is that substance found in India?

  1. Hydrides
  2. Coals
  3. Soap stone
  4. Resins

Answer:

Option A: Hydrides

Detailed Solution:

The correct answer is “Hydrides”.

Hydrides are chemical compounds containing hydrogen.

Some hydrides, like metal hydrides, have the ability to absorb and release hydrogen gas reversibly. This property makes them suitable for storing hydrogen as a fuel for vehicles.