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Which could be signs that a chemical reaction has occurred?Check all that apply.A.New substances have formed.B.A solid melts.C.Heat is produced.D.A liquid boiled.

Which could be signs that a chemical reaction has occurredCheck all that applyANew substances have formedBA solid meltsCHeat is producedDA liquid boiled class=

Respuesta :

Since, formation of new substance is an indicator of chemical reaction

Therefore, Option A should be correct

Both option A and C are correct

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