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Ores and Minerals

Sulfide ores ...

Question

Sulfide ores are common for the metals:

Ag, Cu and Pb

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Ag, Cu and Sn

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Ag, Mg and Pb

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Al, Cu and Pb

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Solution

The correct option is D Ag, Cu and Pb
Following are the sulfide ores of the metals:

For $A g$ , it is Argentite $(A g_{2} S)$ .
For $P b$ , it is Galena $(P b S)$ .
For $C u$ , it is Copper glance $(C u_{2} S)$ .

Hence, option $A$ is correct.

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Similar questions

L i

K

C a

N a

M g

A l

Z n

F e

P b

C u

H g

A g

I

Z n (s) + C u {({N O}_{3})}_{2} (a q) \to C u (s) + Z n {({N O}_{3})}_{2} (a q)

I I

P b + C u (N O_{3})_{2} \to P b (N O_{3})_{2} + C u

C u + A g (N O_{3})_{2} \to C u (N O_{3})_{2} + A g

Z n + P b (N O_{3})_{2} \to Z n (N O_{3})_{2} + P b

C u (N O_{3})_{2}, A g N O_{3}, H g_{2} (N O_{3})_{2}

M g (N O_{3})_{2}

A g / A g^{+} = + 0.80, 2 H g / H g_{2}^{2 +} = + 0.79, C u / C u^{2 +} = + 0.34, M g / M g^{2 +} = - 2.37

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