CBSE
Gujarat Board
Haryana Board
Class 10
Class 12
What type of substances produce flame?
The substances which vaporise during burning gives flame.example, kerosene oil and molten wax.
What is the colour of candle flame?
Yellow flame.
What is the colour of LPG flame ?
Blue colour.
Give two examples of the substances which gives flame.
Kerosene oil and molten wax.
Why does charcoal not produce flame?
The substances which vapourise during burning, give flames. Charcoal does not vaporise, so it does not produce a flame.