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प्रश्न
Name the unit in which the calorific value of a fuel is expressed?
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उत्तर
KJ/Kg.
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संबंधित प्रश्न
Which is the hottest part in the flame of candle ______.
True or False – If False give the correct answer
All fuels form flame.
Inner zone of flame : :______, outer zone of flame : :______
Picture based question
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Write True/False against the following statement and also correct the false statement.
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| 2. | Indigo flame | b. | Bleaching powder |
| 3. | Blue flame | c. | Potassium chloride |
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Name a few substances which produce flames on burning.
Explain the structure of a candle flame.
