Essential Chemistry for IGCSE - Rate Of Reaction (Section 3 - No. 39)
What is the role of a light sensor in the context of reaction rates?
To measure the change in color of the solution.
To measure the amount of light passing through a solution.
To change the rate of reaction.
To provide extra energy for the reaction.
Explanation
The light sensor measures changes in the amount of light transmitted through a solution, which can be correlated with the concentration of a reactant or product and thus the rate of reaction.
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