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प्रश्न
Make labeled diagram of a candle flame.
उत्तर
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संबंधित प्रश्न
True or False – If False give the correct answer
All fuels form flame.
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?
Magnesium ribbon on burning in air produces
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.
If you hold a piece of iron wire with a pair of tongs inside a candle flame or a Bunsen burner flame, what will you observe? Will it produce a flame?
Write True/False against the following statement and also correct the false statement.
The substances which vaporise during burning, give flame.
Which is the luminous part of the flame?
Substances which vapourise during burning produce ______.
Match the following:
| 1. | Inner zone | a. | Yellow |
| 2. | Outer zone | b. | Borax powder |
| 3. | Middle zone | c. | Blue |
| 4. | Green flame | d. | Black |
Explain the structure of a candle flame.
