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- Give four examples of combustible materials
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- Give four examples of non-combustible materials.
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- Where do you find spontaneous combustion and rapid combustion in your ...
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- Why should not we store spirit or petrol near our living place?
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- Can you heat water in a paper vessel? How is it possible?
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- Give an example of a good fuel. How do you choose that fuel? Explain.
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- List the ways adopted by fire fighters to combat fires.
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- The oil fires should not be sprayed with water. Why?
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- What precautions are to be taken while pouring water on fire?
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- "Is combustion possible without the supply of oxygen? Discuss with you...
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- Why a wick is not used in gas burners?
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- Collect information available on different fuels. Find out the post pe...
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- Collect the information about annual fuel consumption in different par...
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- Water is not used to control fires involving electrical equipment.Why?
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- It is difficult to burn a heap of green leaves but not a heap of dry l...
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- Explain giving reasons: In which of the following situations water wil...
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- Explain giving reasons: In which of the following situations water wil...
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- Draw the diagram of candle flame and label all the zones.
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- Give supporting arguments for both the statements (1) fire is useful (...
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- In a few years the fuels on earth will be exhausted. Think, what would...
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