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13 Dec 2019
In a chemical change:
Select one:
a. A phase change must occur.
b. The original material can never be regenerated.
c. A phase change never occurs.
d. The products are different substances from the startingmaterials.
In a chemical change:
Select one:
a. A phase change must occur.
b. The original material can never be regenerated.
c. A phase change never occurs.
d. The products are different substances from the startingmaterials.
Nestor RutherfordLv2
17 Dec 2019