Which of the following are found as carbonate ore in nature?

F e

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M g

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Z n

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P b

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Solution

The correct options are
A $F e$
B $P b$
D $Z n$
The metals in the middle of the activity series $(Z n, F e, P b)$ are moderately reactive. They are found in the earth’s crust mainly as oxides, sulfides or carbonates. Hence, options $A, C, D$ are correct.

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Similar questions

M(s) +

PbCl

_{2} (a q)

\to

Pb(s) +

MCl

_{2} (a q)

E^{⊖} o f M g^{2 +} | M g, Z n^{2 +} | Z n,

F e^{2 +} | F e

- 2.37 V

- 0.76 V

0.44 V

How many of the following metals are extracted by self reduction process?
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