Question

whilst
3. How will you prove that air supports burning?
4. How will you show that air is dissolved in water?​

Answer 1

3.When u burn a candle it burns as air contains oxygen.
4.The air bubbles settle at the surface of container and fishes live in water because of air dissolved in it.

Answer 2

Answer:

Put a closed vessel upsidedown on burning candle extinguisher after sometime

Put a water in a vessel and start heating u will see air bubbles in it

Hope it helped mark the brilliant ans