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NCERT TELUGU-COMBUSTION: FUELS AND FLAME-EXERCISE
- 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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- What would happen if oxygen stops to support combustion? Make a guess....
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- Use of more fuels in our daily life causes air pollution and it is har...
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- Let us assume that you are on the moon. If you try to focus sunlight o...
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- Can you heat water in a paper vessel? How is it possible?
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- "Is combustion possible without the supply of oxygen? Discuss with you...
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- Explain giving reasons: In which of the following situations water wil...
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- List the ways adopted by fire fighters to combat fires.
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- Draw the diagram of candle flame and label all the zones.
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- How do you organize your daily works with fuels to conserve bio-divers...
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- Madhu wants to avoid automobiles and started going to school by bicycl...
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- How do you feel about "Fuels have become a part of human life"?
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- Why do some materials burn and some do not?
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- Why do some materials which do nt burn at normal temperature burn at h...
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- If you lift the glass tumbler (which is placed over a burning candle) ...
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- How do you say that the gas released in the experiment is oxygen?
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- Can we replace potassium permanganate (KMnO4) with any other substance...
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- Is there any other procedure to prove that oxygen is needed for burnin...
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- Why do we keep phosphorus in water?
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