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MCQs on Combustion and Flame
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MCQs on Combustion and Flame
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10 Questions

1. The amount of heat energy produced on complete combustion of_____ fuel is called its calorific value
2. Fuel may b
3. Ignition temperature i
4. When oil or petrol catches fire, water is not used to extinguish it becaus
5. In combustio
6. The substances which have very low ignition temperature and can easily catch fire with a flame are calle
7. A person caught fire on clothes is wrapped with blanket becaus
8. When we heat water in a paper bowl over a candle, the paper does not catch fire becaus
9. A chemical process in which a substance reacts with oxygen to give off heat is called
10. Explosion takes place because o

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