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NCERT TELUGU-COMBUSTION, FUELS AND FLAME-EXERCISE
- Why a wick is not used in gas burners?
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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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- In a few years the fuels on earth will be exhausted. Think, what would...
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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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- List the ways adopted by fire fighters to combat fires.
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- Where do you find spontaneous combustion and rapid combustion in your ...
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- How do you feel about "Fuels have become a part of human life"?
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- A chemical process in which a substance reacts with oxygen to give off...
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- Which of the following does not burn with a flame?
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- Magnesium burns in the air to produce
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- Infiammable substances have
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- The hottest part of a candle flame
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- The best fire extinguisher
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- The colour of middle zone of the candle flame is
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- The unit of calorific value
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- The calorific value of wood when compared to LPG
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- Poisonous gas
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- Liquid fuel used in homes
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