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13 October, 01:12

If there is 8 g of a substance before a physical change, how much will there be afterwards?

0g

4g

8g

16g

+3
Answers (1)
  1. 13 October, 03:27
    0
    According to the law of conversion of mass, the mass of a closed system is neither made or taken away in a physical change. It is the same for a chemical change as well.

    Therefore, the mass of the substance remains 8g.

    Best of Luck!
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