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VGS PUBLICATION-BRILLIANT-COMBUSTION , FUELS AND FLAME-EXERCISE
- The material which does not undergo combustion is called material.
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- substances have very low ignition temperature.
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- Burning of gas is an example of combustion.
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- The hottest part of a candle flame
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- The colour of middle zone of the candle flame is
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- Spirit and petroleum turns into gas at
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- Among the following this prevents burning.
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- Expand LPG ………………….
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- Middle zone of candle is hot.
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- zone of candle is least hot.
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- Among the following which is not a combustible material ?
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- Among the following which is a combustible material ?
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- Explosion takes place in
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- The hottest part of a candle flame
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- gas is released when potassium permanganate is heated.
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- releases oxygen on heating.
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- The formula of potassium permanganate is
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- is written on petrol tankers.
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- Compound used in safety matches is
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- is used in surface of matchstick.
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