Question

classify the following as physical or chemical change. (a) melting of wax (b) digestion of food

Answer 1

melting of wax is physical change and the digestion of food is a chemical change

Answer 2

Hey

so here's your answer

a) physical change
--melted wax can be turned back to it's proper shape and there is no change in chemical composition
b) chemical change
--before digestion of food the is in it's complex form but after digestion it's turned into simple form that means there is change in chemical composition

it was simple ,but would really like to know if it helped you