1. a) What are fuels? Name any two common fuel. (b) State any four characteristics of an ideal fuel (or good fuel).
ScienceClass 8ICSEAnswered 28 Mar 2026
Answer
- Any substance which upon combustion produces a usable amount of energy is known as For example, fossil fuels, biogas, nuclear energy etc.
- Characteristics of an ideal fuel (or good fuel) are:
- Fuel is easily available and cheaper
- Burns easily in the air at a moderate rate
- Releases a large amount of energy
- No harmful substances must be emitted from fuel
- Eco friendly
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