Compare the type of change that occurs when a match is burnt and when a liquid starts boiling. Use complete sentences to justify the type of change that occurs

When a match is burnt, it undergoes a chemical change; the flammable substance on the match and most of wood stick are thoroughly burnt, the reaction forms a new product (CO2), the chemical composition is changed, and it is permanent/irreversible.

answers: to make sure that all of the broken pieces of tablet were added to the water, to allow for fair comparison of all three trials, with different particle sizes to avoid experimental error