Paper 1 · People, Development & Environment
UGC NET 2020 OCT Political Science
Arrange the following fuels in decreasing order in terms of the amount of carbon dioxide emitted per unit of energy output from their combustion. Choose the correct answer from the options given below:
- I. Natural gas
- II. Coal (lignite)
- III. Gasoline (without ethanol)
- IV. Propane
AI > II > IV > III
BII > I > III > IV
CII > III > IV > I ✓ Correct
DIV > II > III > I
Answer: C
Explanation
★CO2 emitted per unit energy in decreasing order: Coal (II) > Gasoline (III) > Propane (IV) > Natural gas (I). Hence option C.
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