Question
Metals X, Y, and Z were tested: X reacts with cold water forming hydrogen; Y does not react with water but reacts with hydrochloric acid forming hydrogen; Z reacts with neither water nor acid. Arrange them by reactivity and explain.
Metals X, Y, and Z were tested: X reacts with cold water forming hydrogen; Y does not react with water but reacts with hydrochloric acid forming hydrogen; Z reacts with neither water nor acid. Arrange them by reactivity and explain.
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