Question Detail
Question
In the equation CH₄ + 2O₂ → CO₂ + 2H₂O, what are CH₄ and O₂ collectively called?
Correct Answer
Option C is the correct answer.
Detailed Explanation
In a chemical equation, the substances written on the left side of the arrow are the starting materials, which are called the reactants.
Hint
These are the substances that exist before the reaction occurs.