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1g of the carbonate of a metal was diss...

`1g` of the carbonate of a metal was dissolved in `25mL` of `N-HCl`. The resulting liquid required `5 mL` of `N-NaOH` for neutralisation. The `Ew` of the metal Carbonate is

A

50

B

30

C

20

D

40

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The correct Answer is:
A
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