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प्रश्न
Make labeled diagram of a candle flame.
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उत्तर
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संबंधित प्रश्न
Make a labelled diagram of a candle flame.
True or False – If False give the correct answer
All fuels form flame.
Name the unit in which the calorific value of a fuel is expressed?
If 4.5kg of fuel is completely burnt and amount of heat produced stands measured at 1, 80,000 KJ what is the calorific value.
Picture based question
Arul and Aakash were doing an experiment in which water was to be heated in a beaker. Arul kept the beaker near the wick in the yellow part of candle flame. Aakash kept the beaker in the outer most part to the flame. Whose water will get heated in a shorter time?
The substance that does not burn with flame is ______.
The ______ temperature at which a substance catches fire is called its ______ temperature.
Write True/False against the following statement and also correct the false statement.
Middle zone is the hottest zone of a flame.
Match the following:
| 1. | Inner zone | a. | Yellow |
| 2. | Outer zone | b. | Borax powder |
| 3. | Middle zone | c. | Blue |
| 4. | Green flame | d. | Black |
Write a note on flame.
