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S CHAND IIT JEE FOUNDATION-COMBUSTION AND FLAME -Question Bank-17
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- Inflammable substances have an ignition temperature:
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- The colour of the flame with the highest amount of heat is
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- Type of flame produced by a fuel depends upon
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- Which of these is a non-combustible substance?
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- Total amount of heat produced by a fuel having calorific value of 30 k...
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- Which one of the following is not a fossil fuel?
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- Yellow colour of the flame indicates
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- Substance having low ignition temperature is
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- When wood is used as fuel in chullahs, gaps are left in between the lo...
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- When water is poured over burning wood, the fire goes off. This is bec...
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- Which of the following statements is not true?
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- Match the points mentioned in column 'A' to the points mentioned in co...
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- Glass, metals, ceramics are the example of
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- Oxides of nitrogen and sulphur dissolve in rain water to produce
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- Explain why , we are advised not to sleep in a room having closed door...
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- Fire is extinguished by
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