LABORATORY REVIEW
CELL RESPIRATION
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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reactant / product
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product / reactant
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reactant / reactant
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product / product
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Detailed explanation-1: -The substance(s) to the left of the arrow in a chemical equation are called reactants. A reactant is a substance that is present at the start of a chemical reaction. The substance(s) to the right of the arrow are called products. A product is a substance that is present at the end of a chemical reaction.
Detailed explanation-2: -Chemical equations are written with the reactants on the left side of the equation (reaction arrow) and products on the right side of the equation (reaction arrow). Reactant: A substance that undergoes change in a chemical reaction and is written on the left side of the reaction arrow in a chemical equation.
Detailed explanation-3: -Examples of Reactants H2 (hydrogen gas) and O2 (oxygen gas) are reactants in the reaction that forms liquid water: 2 H2(g) + O2(g)