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S CHAND IIT JEE FOUNDATION-COMBUSTION AND FLAME -Self Assessment Sheet-17(Fill in the blanks)
- Burning of wood and coal causes of air.
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- An important liquid fuel, used in homes is .
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- The rise in temperature of the environment of the earth is called .
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- What type of combustion is represented by: burning of white phosphor...
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- What type of combustion is represented by : burning of LPG in a gas ...
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- What type of combustion is represented by : ignition of a cracker ?
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- Make a labelled diagram of a candle flame.
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- List conditions under which combustion can take place.
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- Define ignition temperature.
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- What are the main constituents of biogas and kitchen gas (LPG)?
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- What is LPG? Mention its main component. Why is a smelling agent added...
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- "The calorific value of LPG is 55000 kj/kg". What does it mean ?
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- Which of the following fuels has the lowest calorific value ? Diesel...
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- Which of the following fuels has the highest calorific value? Wood,...
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- Explain why, fire caused by electricity should not be extinguished by ...
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- How is the fire produced by burning oil (or petrol) extinguished?
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- A durm full of kerosene catches fire. What is the simplest way to put ...
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- Why is kerosene used in stoves and not petrol?
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- Describe how a matchstick is lighted.
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- Combustion is the process of
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