Combustion

1. Differentiate between slow combustion and rapid combustion.
2. What is spontaneous combustion?
3. What is explosion?
4. What should be the action if the clothes of a person catch fire?
5. Water should not be used to extinguish fire caused by electric short circuit. Why?
6. How can we extinguish fire caused by oil or gas?
7. How does water and sand help in extinguishing fire?

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