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Which evidence is an indication that a chemical reaction has occurred? a.melting substance b.boiling substance c.frezzign of substance d.formation of a gas
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Which evidence is an indication that a chemical reaction has occurred?

a.melting substance
b.boiling substance
c.frezzign of substance
d.formation of a gas

User Yasser Zamani
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4.6k points

1 Answer

3 votes

Answer is D formation of gas.

Explanation: I hope that helped/have a great day.

User Craymichael
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