Question

Cut open an apple
and keep for half an hour.
E. Answer the following questions in brief.
Physical changes can be reversible as well as irreversible. Exp
characteristics that determines the occurrence of a
emical change?​

Answer 1

Answer:

Explanation:

Physical change can be reversible as well as irreversible such as burning a candle is a physical and chemical change because, the drops of melting wax can be frozen to make a candle and burning of candle is chemical change

we can identify a chemical change if a new substance is formed or if anything is burning it is always chemical change.