Question

3. If two substances are brought in contact, it will result in
a. a physical change only,
b. a chemical change only.
c. either a physical change or a chemical change, depending on the conditions.
d. a chemical change if they are heated together otherwise, a physical change.​

Answer 1

Answer:

I hope it answer will be option no. C

Answer 2

Answer:

d is the answer

Explanation:

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