What is a fuel?

A. जो जलकर energy देता है / Substance that burns to give energy

Step 1: Identify the concept: this is energy resources. Step 2: A fuel is a substance that gives heat energy on burning such as coal petrol or LPG. Step 3: Remember fuel equals energy source.

Step 1: concept पहचानें: यह energy resources है। Step 2: Fuel वह पदार्थ है जो burning पर heat energy देता है जैसे coal petrol या LPG। Step 3: Fuel equals energy source याद रखें।