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MBD-COMBUSTION AND FLAME-EXAMPLE
- 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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- Fuel is :
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- Which of the following gas is supporter in combustion?
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- Which of the following is combustible substance?
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- List conditions under which combustion can take place.
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- Which out of the following has minimum ignition temperature?
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- Define acid rain.
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- While extinguishing fire of electric wires and electric instruments, w...
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- What is calorific value of a fuel?
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- What are the harms caused by burning of fossil fuels?
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- Which of the followig solid fuels has the highest heat value : Cow- du...
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