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30 August, 16:49

Which is a chemical change?

A. Splitting water into hydrogen and oxygen.

B. Breaking a block of solid ice into smaller pieces.

C. Freezing liquid water.

D. Boiling Water

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Answers (2)
  1. 30 August, 19:05
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    Splitting water into hydrogen and oxygen.
  2. 30 August, 20:28
    0
    A. Splitting water into hydrogen and oxygen.

    Explanation:

    A chemical change produces a new substance ... A physical change does not produce a new substance. Changes in state or phase (melting, freezing, vaporization, condensation, sublimation) are physical changes.
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