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Which of the following ores cannot be co...

Which of the following ores cannot be concentrated by electromagnetic separation ?

A

Chromite

B

Magnetite

C

Pyrolusite

D

Cuprite

Text Solution

Verified by Experts

The correct Answer is:
D
All other ores are magnetic in nature.
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MTG IIT JEE FOUNDATION-METALS AND NON METALS -Exercise (Multiple Choice Questions ) Level-1
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  2. Pure gold is

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  3. The process of electrolysis is used for obtaining such metals which ar...

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  4. Which one of the following is not a method of concentration of metal o...

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  5. Zone refining process is used for the

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  6. The purpose of smelting an ore is

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  7. which of the following processes involve smelting

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  8. Metals like copper, mercury and lead are obtained from their oxide ore...

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  9. Which of the following reactions cannot occur ?

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  10. Malachite is an ore of

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  11. Colour of basic copper carbonate is

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  12. Complete the reaction : Zn + 2NaOH to

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  13. Which of the following is correct for the reaction? Cu + HCl to

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  14. Non-metals generally act as oxidizing agents reducing agents Both ...

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  15. An element 'X' forms an oxide XO(2), which is a very useful gas used i...

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  16. The acid formed when sulphur trioxide reacts with water is

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  17. Which of the following ores cannot be concentrated by electromagnetic ...

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  18. Which of the following oxides cannot be reduced with carbon to obtain...

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  19. The process of zone refining is used in the purification of

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  20. Flux is used to remove

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