CBSE
Gujarat Board
Haryana Board
Class 10
Class 12
Give two examples of the substances which gives flame.
Kerosene oil and molten wax.
What is the colour of LPG flame ?
Blue colour.
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.
What is the colour of candle flame?
Yellow flame.
What type of substances produce flame?
The substances which vaporise during burning gives flame.example, kerosene oil and molten wax.