What are the starting substances in a chemical reaction?
A) Products
B) Reactants
C) Catalyst
D) Solution
Answer: B
Explanation: A) Incorrect. Products are the substances that are produced during a chemical reaction.
B) Correct. Reactants are the starting substances in a chemical reaction.
C) Incorrect. A catalyst is a substance used to facilitate the rate of a chemical reaction without being consumed in the reaction.
D) Incorrect. A solution is a homogeneous mixture of two or more substances.
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