Question

d. mostly reversible,
4. Chemical changes are
a. always irreversible. b. mostly irreversible. c. always reversible.
5. Which of these is an irreversible change?
a melting of ice b. melting of wax c. boiling of water
d. burning of wax​

Answer 1

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Answer 2

Answer:

a.) always irreversible

d.) burning of wax