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Which would show an example of how physical changes are reversible?

A. cutting a gold bar in two pieces and then putting the pieces next to each other
B. burning a match and then relighting it
C. melting tin and then cooling it into a mold
D. combining sodium and chlorine to make the new material of table salt

Respuesta :

C because it’s reshaping it, it stays the same but just reshaping it
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Answer:

C) the tin one

Explanation:

because its the same substance, it was just heated and formed into a new shape.

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