Book: Lakhmir Singh & Manjit Kaur - Physics
Chapter: 3. Sources of Energy
Subject: Physics - Class 10th
Q. No. 37 of Questions Based on High Order Thinking Skills (HOTS)-Pg-132
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37
Fossil fuels are energy rich compounds of an element X which were originally made by the plants with the help of sun’s energy.
(a) Name the element X
(b) Name another element which is usually found in combination with X in fossil fuels.
(a) X is carbon
(b) Hydrogen is another element which is usually found in combination with carbon in Fossil fuels.
