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The metal which gives hydrogen on treatment with acid as well as sodium hydroxide is

$\begin{array}{1 1}(a)\;Fe\\(b)\;Zn\\(c)\;Cu\\(d)\;\text{All of these}\end{array}$

1 Answer

Zn is amphoteric,it reacts with acids and alkali to give hydrogen.
Hence (b) is the correct answer.
answered Jan 22, 2014 by sreemathi.v