which of the following metals do not react either with cold and hot water
Sodium, Magnesium, Zinc, Iron and Calcium
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Answer:
The metal sodium, calcium and magnesium are highly reactive to water and make their hydroxides.
Iron is a less reactive metal and does not show any reaction while treated with cold as well as hot water but will react with steam and form metal oxides and hydrogen gas.
3Fe(s)+4H2O(g)→Fe3O4(s)+4H2(g)
Iron Steam Iron(III) oxide Hydrogen
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Explanation:
Zinc and Iron do not react either with cold and hot water
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