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of the three metals X, Y and Z, X reacts...

of the three metals X, Y and Z, X reacts with cold water, Y with hot water and Z with steam only. Identify X, Y and Z and also arrange them in order of increasing reactivity.

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To solve the problem, we need to identify the metals X, Y, and Z based on their reactivity with water and steam, and then arrange them in order of increasing reactivity. ### Step 1: Identify Metal X - **Given:** Metal X reacts with cold water. - **Analysis:** The metals that react with cold water are typically alkali metals from Group 1 of the periodic table. The most common examples are sodium (Na) and potassium (K). - **Conclusion:** Metal X is likely sodium (Na) or potassium (K). ### Step 2: Identify Metal Y ...
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