Answer:
Both (1) and (3)
Explanation:
On heating susbtance either expand or contract i.e their volume (either change in length or change in are) change and heance density changes but mass remains the same.
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Answer:
Both (1) and (3)
Explanation:
On heating susbtance either expand or contract i.e their volume (either change in length or change in are) change and heance density changes but mass remains the same.