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Concentration of Ore

Which of the ...

Question

Which of the following metals occurs in nature principally oxide ores.

A

C a

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B

C o

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C

C r

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D

C u

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Solution

The correct option is A $C a$
$C a$ occurs aa calcium oxide.So the naturally occuring oreof calcium is calcium oxide $C a O$ .
Hence option A is correct.

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