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(i) From the metals copper, zinc, magnesium, sodium and iron, select the metal in each case which: 

(a) Does not react with dil. hydrochloric acid. 

(b) Has a hydroxide that reacts with both acids and alkalies. 

(c) Does not react with cold water but reacts with steam when heated. 

(d) Can form +2 and +3 ions. 

(ii) Arrange the metals in decreasing order of reactivity.

1 Answer

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Best answer

(i) (a) Copper 

(b) Zinc 

(c) Magnesium 

(d) Iron 

(ii) Sodium > Magnesium > Iron > Zinc > Copper. 

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