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In an experiment described in a chemistry lab book, the directions state that after mixing two chemicals (A and B) and waiting 5 minutes that A will be oxidized. This means that:
a. Chemical A has reacted with oxygen.
b. Chemical A has lost energy in the form of heat to chemical B.
c. Chemical A has lost electrons to chemical B.
d. Chemical A has gained electrons from chemical B.
e. Chemical A has gained energy in the form of heat from chemical B.