Question

describe the changes that occur when a candle is lit

Answer 1

Answer:

The burning of candle involves chemical and Physical change.

Answer 2

Burning of candle  is considered as chemical reactions because it changes the chemical composition of these materials.

Explanation:

• candle, which is a wax product is chemically a carbon compound and when it is burned in air the process is called as combustion.

• In the process of combustion, the carbon compound ( candle) reacts with oxygen ( burning in air) carbon dioxide and water vapour is produced.

• These process is not reversible which means that the products of the reaction cannot be formed back to reactants, also the chemical composition changes therefore, burning of candle is a chemical reaction.

To know more,

Is dissociation of iodine a physical change??​ - Brainly.in

https://brainly.in/question/18269375