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VGS PUBLICATION-BRILLIANT-COMBUSTION , FUELS AND FLAME-EXERCISE
- Give supporting arguments for both the statements (1) fire is useful (...
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- Use of more fuels in our daily life causes air pollution and it is har...
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- Collect information about the history of spherical mirrors in human ci...
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- How do you organize your daily works with fuels to conserve bio-divers...
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- How does candle work?
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- Give reasons. LPG is a better domestic fuel than wood.
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- Explain how the use of CNG in automobiles has reduced pollution in our...
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- The example for combustible material
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- The example for non-combustible material
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- The gas needed for combustion among the following is
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- Fire produced by oil cannot be controlled by .
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- Fuel must be heated to its temperature before it starts burning.
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- The outermostzone of candle is in colour.
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- 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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