You Observe That a Solution Turns from Red to Green

You observe that a solution turns from red to green very slowly. If you place a small piece of platinum in the solution, the change occurs much more rapidly, yet the platinum remains unchanged. Which of the following best explains this experimental result?

A) The platinum provided activation energy.
B) The platinum is an enzyme.
C) The platinum is a catalyst.
D) The platinum is an oxidizing agent.

Correct Answer:

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