We are asked to select the best statement from multiple choices about chemical change.
Select the best statement.
A) Chemical changes provide the only valid basis for identification of a substance.
B) Chemical changes are easily reversed by altering the temperature of the system.
C) Chemical changes always produce substances different from the starting materials.
D) Chemical changes are associated primarily with extensive properties.
E) Chemical changes are accompanied by changes in the total mass of the substances involved.
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