which of the following statements is true about what happens during a chemical reaction
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Answer:
Option C
Explanation:
A number of molecules or moles may get change in a chemical reaction. Also, the number of reactant molecules need not be equal to product molecules. They may get less if association reaction takes place or they may get increase due to dissociation reaction.
But, according to the law of mass conservation, for any chemical reaction, the total mass remains constant at all times.
Hence, Option C is correct.
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