Question

I) from the metals copper, iron, magnesium, sodium and zinc, select a different metal in each case which (a) does not react with dilute hydrochloric acid. (b) can form +2 and +3 ions. (c) has a hydroxide that reacts with both acids and alkalis. (d) does not react with cold water but reacts with stream when heated. (ii) arrange the metals in the decreasing order of their reactivity.

Answer 1

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