Multiple choice

Among the following alkanes which one is used as a working medium in geothermal power stations?

  1. Octane

  2. Hexane

  3. Heptane

  4. Pentane
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Pentane is an organic compound, with five carbon atoms. Pentane is one of the primary blowing agents used in the production of polystyrene foam. Because of its low boiling point, low cost and relative safety, pentane is used as a working medium in geothermal power stations. It is added into some refrigerant blends as well.

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