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Metal which does not react with cold wat...

Metal which does not react with cold water but evolves `H_(2)` with steam is `:`

A

Na

B

K

C

Pt

D

Fe

Text Solution

Verified by Experts

The correct Answer is:
D
Iron (Fe) does not react with cold water to give `H_2`. However, iron reacts with steam to give `H_2` .
`3Fe(s) +4H_(2)O(g) rarrFe_(3)O_4 (s) +4H_(2)(g) uarr`
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