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which of the following is a clue of a chemical change?

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

Respuesta :

Kaikerscupcake
The best answer is "B". Vinegar and baking soda mixed together is a chemical change.

I hope this helps!
~cupcake
C.
Gas forms when vinegar and baking soda are mixed

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