Question

statement:
1. Substances burn in air and form carbon dioxide.
2. Burnt fuel should always leave some residue.
3. Water gas is a mixture of carbon monoxide
4. Calorific value of coke is more than that of coal.
5. Natural gas mainly contains methane and traces deethaneand propane.
nitrogen.
6. Wood burns with a flame.
7. There is a blue colour zone at the base of the wick
8. Presence of a combustible substance is not essential
for a substance to burn.
9. Red phosphorus can be stored in a bottle.
10. Coal gas is obtained from destructive distillation of coal.​

Answer 1

Answer:

1.True

2.False

3. True

4.True

5.True

6.False

7.True

8.False

9.True

10.False

Please mark me brainliest