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Which of the following is a clue of a chemical change? a. balls of wax form when melted wax is poured into ice water b. iron changes color when heated c. gas bubbles form in boi…

Which of the following is a clue of a chemical change? a. balls of wax form when melted wax is poured into ice water b. iron changes color when heated c. gas bubbles form in boi…
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Which of the following is a clue of a chemical change?

a. balls of wax form when melted wax is poured into ice water
b. iron changes color when heated
c. gas bubbles form in boiling water
d. a gas forms when vinegar and baking soda are mixed?

asked
User Usman Arshad
by
8.1k points

1 Answer

4 votes
D. Bubbles of effervescence are formed as a result of vinegar and baking soda is mixed.
answered
User Webbower
by
8.6k points
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