Advertisements
Advertisements
प्रश्न
Make labeled diagram of a candle flame.
Advertisements
उत्तर
APPEARS IN
संबंधित प्रश्न
Make a labelled diagram of a candle flame.
Inner zone of flame : :______, outer zone of flame : :______
Magnesium ribbon on burning in air produces
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 vaporise during ______ give flame.
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.
Match the following for the flame of a candle.
| Column A |
Column B |
Column C |
| (a) hottest part | (i) innermost zone of unburnt wax vapours | (x) blue |
| (b) moderately hot | (ii) middle zone of partial combustion | (y) black |
| (c) least hot | (iii) outer zone of complete combustion | (z) yellow |
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 vapourise during burning, give flame.
Write a note on flame.
