Chemistry, 31.01.2020 07:59, witcol386

What must occur for a change to be a chemical reaction?
a.
there must be a change in chemical properties.
b.
there must be a change in physical properties.
c.
the change must involve a change in mass.
d.
the change must involve a change in volume.

Answers: 3

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What must occur for a change to be a chemical reaction?
a.
there must be a change in ch...