Question

question 2 (1 point) is this a chemical or a physical change? burning a piece of paper in a fire. a physical change b chemical change

Explanation:

Physical changes do not change the chemical composition of a substance, while chemical changes result in a new substance being formed. When paper burns, it reacts with oxygen in the air and forms new substances like ash, carbon - dioxide, etc. So it is a chemical change.

Answer:

b. Chemical change