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Which of the following is a chemical change? A: boiling of water B: melting a cube of ice C: dissolving 10 grams of salt in water D: splitting water into hydrogen and oxygen
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2 votes
Which of the following is a chemical change?

A: boiling of water
B: melting a cube of ice
C: dissolving 10 grams of salt in water
D: splitting water into hydrogen and oxygen

User Dgvid
by
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2 Answers

3 votes
d splitting water into hydrogen and oxygen yes because there is a chemical reaction with the molecules that changes the water
User Raniz
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6.9k points
7 votes
Hi I'm in Chemistry too this year,
I believe D is correct because usually physical changes are things like density, color or quantity.
User Gatisl
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7.8k points
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