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Extraction of metal from the ore cassite...

Extraction of metal from the ore cassiterite involves

A

Carbon reduction of an oxide ore

B

Self-reduction of a sulphide ore

C

removal of copper impurity

D

removal of iron impurity

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The correct Answer is:
A, D
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MOTION-METALLURGY-EXERCISE 4 (LEVEL - II)
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  2. Extraction for zinc from zinc blende is achieved by :

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  3. Native silver metal forms a water soluble complex with a dilute aqueou...

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  4. Match the conversions in Column I with the type(s) of reaction(s) give...

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  5. Copper is the most noble of the first row transition metals and occurs...

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  6. Copper is the most noble of the first row transition metals and occurs...

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  7. Copper is the most noble of the first row transition metals and occurs...

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  8. Oxidation states of the metal in the minerals haematite and magnetite,...

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  9. Extraction of metal from the ore cassiterite involves

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  10. In the cyanide extraction process of silver from argentite ore, the ox...

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  11. Sulphide ores are common for the metals

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  12. Upon heating with Cu2S , the reagent(s) that give copper metal is/are

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  13. Match the anionic species given in column I that are present in the or...

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  14. Copper is purified by electrolytic refining of bliter copper .The curr...

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  15. Extraction of copper from copper pyrite (CuFeS(2)) involves

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  16. For a reaction taking place in a container in equilibrium with its sur...

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  17. Galena (an ore) is partially oxidized by passing air through it at hig...

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