In a reaction, I may be a product or a reactant, but my role can change. What am I?
Category: Science · Difficulty: hard
Hint: Think of the participants in a chemical equation.
Answer
Chemical Substance
Explanation
Chemical species refer to any distinct form of matter involved in a chemical reaction, including reactants and products.
This is a hard science riddle — a tricky one that takes a little thought. The answer is Chemical Substance.
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