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12 December, 21:11

2. Which statement is TRUE for a chemical change?

A. of the substance is not changing.

B. Mass is conserved

C. The substances always changes from solid to liquid.

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Answers (2)
  1. 12 December, 21:50
    0
    The answer is C because when a chemical change happens you can't get the product back.
  2. 12 December, 23:42
    0
    Chemical change is something that's cannot be reverse and to know if it's is chemical sometime know if they are burn / rust and physical change is always the state of phase like melting to water is a physical
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