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VGS PUBLICATION-BRILLIANT-COMBUSTION , FUELS AND FLAME-EXERCISE
- zone of candle is least hot.
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- zone of candle is least hot.
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- The gas needed for combustion among the following is
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- The lowest temperature at which a substance catches fire is called its
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- The unit of calorific value
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- Spirit and petroleum turns into gas at
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- A chemical process in which a substance reacts with oxygen to give off...
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- The material which undergoes com bustion is called material.
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- 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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