How can the reactivity of metals be determined through displacement experiments?

By observing the color changes in solutions

By measuring the temperature changes in reactions

By analyzing the gas produced during reactions

By observing which metal displaces another in a solution

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Answer

D. By observing which metal displaces another in a solution

Solution:

The reactivity of metals can be determined through displacement experiments by observing which metal displaces another in a solution, indicating the relative reactivities of the metals involved.

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