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प्रश्न
The substances which vaporise during ______ give flame.
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उत्तर
The substances which vaporise during burning give flame.
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संबंधित प्रश्न
Make a labelled diagram of a candle flame.
Which is the hottest part in the flame of candle ______.
Name the unit in which the calorific value of a fuel is expressed?
Make labeled diagram of a candle flame.
The substance that does not burn with flame is ______.
The ______ temperature at which a substance catches fire is called its ______ temperature.
The substances which gave very ______ ignition temperature and can easily catch fire with a flame are called ______ substances.
Anu wants to boil water quickly in a test tube. On observing the different zones of the flame, she is not able to decide which zone of the flame will be best for boiling water quickly. Help her in this activity.
Write True/False against the following statement and also correct the false statement.
The substances which vapourise during burning, give flame.
Why is the candle flame straight?
