Question

C. Write T for true and F for false statements :
1. All substances are combustible.
2. Camphor does not burn into a flame.
3. The ignition temperature of phosphorus is 100 degrees.
4. Ideal fuels should be cheap and have high calorific value.
5. The innermost part of the candle flame is the coldest.​

Answer 1

1. False

2.True

3. False

4. False

5. True

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