Question

which of these is not true for physical changes
a. there is no change in mass
b.there is no change in energy
c. these are always irreversible
d. no new product is formed​

Answer 1

D NO NEW PRODUCT IS FORMED....!

Answer 2

Answer:

Option C)

Explanation:

Because physical changes are not always irreversible.

For example, when ice is turned into water, it can be turned back into ice by the process of freezing