Which one of the following statements is correct?
- A$A$. $A$ mineral cannot be an ore
- B$B$. An ore cannot be a mineral
- C$C$. All minerals are ores
- D$D$. All ores are minerals
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Calamine and Malachite,respectively,are the ores of :
$XCl_2 \text{ (excess)} + YCl_2 \to XCl_4 + Y \downarrow ;$
$YO \xrightarrow[> 400^oC]{\Delta} \frac{1}{2} O_2 + Y$. The ore of $Y$ would be:
$YO \xrightarrow[> 400^oC]{\Delta} \frac{1}{2} O_2 + Y$. The ore of $Y$ would be:
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