Question

Which is not true for a chemical change? (a) No new substance is formed
(b) The change is temporary
(c) The identity of the original substance is lost
(d) None of the above​

Answer 1

Answer:

a is false.

Explanation:

a chemical reaction is actually the formation of new substances

Answer 2

Answer:

C

Explanation:

as in a chemical change new substance is formed it's characteristics may differ with original one so as new substance is formed original substance disappears.