It is observed at petrol pumps and airports, that hydrocarbon fire extinguishers are used, instead of soda-acid fire extinguisher. Give reasons why.
Updated 1/11/2026
What are ‘rare species’? Give examples.
Updated 1/11/2026
What is forest fire?
Updated 1/11/2026
What do you mean by fluid friction? How can fluid friction be reduced?
Updated 1/11/2026
When the two surfaces are pressed harder, friction increases. Explain why?
Updated 1/11/2026
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