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5 g of zinc is treated separately with a...

5 g of zinc is treated separately with an excess of
(a) dilute hydrochloric acid and
(b) aqueous sodium hydroxide
The ratio of the volumes of `H_(2)` evolved in these two reactions is

A

`1 : 1`

B

`2 : 1`

C

`1 : 2`

D

`1 : 4`

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