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प्रश्न
Write True/False against the following statement and also correct the false statement.
The substances which vaporise during burning, give flame.
विकल्प
True
False
उत्तर
This statement is True.
APPEARS IN
संबंधित प्रश्न
True or False – If False give the correct answer
All fuels form flame.
Inner zone of flame : :______, outer zone of flame : :______
Make labeled diagram of a candle flame.
On placing an inverted tumbler over a burning candle, the flame extinguishes after some time. This is because of non-availability of
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.
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 |
Name a few substances which produce flames on burning.
