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A mineral is known as an ore of metal if...

A mineral is known as an ore of metal if the metal _______

A

cannot be produced from it

B

can be produced from it

C

can be extracted from it profitably

D

is very costly

Text Solution

Verified by Experts

The correct Answer is:
C
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MARVEL PUBLICATION-GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS-Test Your Grasp
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  4. A mineral is known as an ore of metal if the metal

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  5. Froth floatation process is used for the metallurgy of

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  6. (viii) Amongest the following groups of oxides, the group containing o...

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  7. In metallurgical processes the flux used for removing acidic impuritie...

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  8. Roasting is done generally in case of

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  9. The most common method of extraction of metals from oxide ores involve

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  10. Froth floatation process for the concentration of sulphide ore is an i...

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  11. Calcination is the process of heating the ore

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  12. Electrolytic reduction method is used fro the extraction of

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  13. The chemical formula of bauxite is

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  14. In the aluminothermic proces , aluminium acts as

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  15. Which is not a mineral of aluminium

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  16. Which of the following contain carbonate ?

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  17. The underlying of blast furnace is made of

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  18. Which one of the following alloys has low density but considerable str...

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  19. The alloy used for making permanent magnet is

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  20. A compound used in the metallurgy of aluminium to remove impruities is

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