Question

PLEASE ANSWER THE QUESTION


Q. Two changes are stated below
(i). A piece of magnesium out high flames when burnt.
(ii). A piece of iron grows red when heated strongly.

WHICH OF THESE IS A CHEMICAL CHANGE?
(A). i only
(B). ii only
(C). Both I and ii
(D). No new substance is formed


THE CORRECT ANSWER WILL BE MARKED AS BRAINLIEST ANSWER.
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Answer 1

Explanation:

i guess only 1 st is a chemical change

PLEASE FOLLOW ME AND MARK ME AS BRAINLIEST

Answer 2

Answer:

only I

because red hot iron comes back to its original form on cooling

but once the magnesium strip is burnt it cannot be converted to its original form