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Which of the following meals on treatmen...

Which of the following meals on treatment with `NaOH` will liberate `H_2` gas?

A

`Zn`

B

`Sn`

C

`Al`

D

`Mg`

Text Solution

Verified by Experts

The correct Answer is:
A, B, C
Amphoteric metals react will boiling alkali, `NaOH`
to liberate `H_(2)` gas
`{:(Zn+2NaOHtoNa_(2)ZnO_(2)+H_(2)),(Sn+2NaOH+H_(2)OtoNa_(2)SnO_(3)+2H_(2)),(2Al+2NaOH+2H_(2)Oto2NaAlO_(2)+3H_(2)):}`
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