Question

Explain how will show that air or ? oxygen is necessary for burning?

Answer 1

Answer:

take a candle and lit it up put the glass on it and it will stop bornig

Explanation:

because when the total amount of oxygen in the glass gets completed then there will be no oxygen left for the combustion .

so oxygen is necessary for burning

Answer 2

Fire is a chemical reaction that creates light and heat from oxygen and fuel. A lit candle needs to draw oxygen from the air in order to continue burning. If you limit the amount of air available, the candle's flame eventually goes out once it uses up all the oxygen.