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2 December, 01:30

Wnich action forms a different chemical substance?

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A

crushing a rock

B

burning a piece of wood

с

mixing salt and pepper

D

melting an ice cube

+5
Answers (1)
  1. 2 December, 01:54
    0
    B burning a piece of wood

    Ash is a chemical substance not apparent before the chemical change, the fire burning the wood
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