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PSEB-COMBUSTION AND FLAMES-EXERCISE
- List conditions under which combustion can take place.
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- Fill in the blanks. Burning of wood and coal causes…………….. Of air.
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- Fill in the blanks. A liquid fuel ,used in homes is………………
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- Fill in the blanks . Fuel must be heated to its ………………..before it sta...
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- Fire produced by oil cannot be controlled by……………………….
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- Explain how the use CNG in automobiles has reduced pollution in our ci...
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- Compare LPG and wood as fuels.
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- Give reason : Water is not used to control fire involving electrical ...
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- Give reason: LPG is better domestic fuel than wood .
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- Give reason : Paper by itself catches fire easily whereas a piece of...
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- Make labelled diagram of candle flame.
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- Name the unit in which calorific value of a fuel is expressed.
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- Explain how CO2 is able to contrl fires.
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- It is difficult to burn a heap of green leaves but dry leaves catch fi...
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- Which zone of a flame does a goldsmith use for melting gold and silver...
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- In an experiment 4.5 kg of a fuel was completely burnt. The heat produ...
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- Can the process of rusting be called combustion ? Discuss.
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- Abida and Ramesh were doing an experiment in which water to be heated...
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