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Heating of carbonates to remove carbon i...

Heating of carbonates to remove carbon is called as –

A

Roasting

B

Calcination

C

Smelting

D

Fluxing

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The correct Answer is:
B
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MOTION-METALLURGY-EXERCISE 1
  1. The common method for the extraction of metals from oxide ores involve...

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  2. Specific gravity of slag is

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  3. Heating of carbonates to remove carbon is called as –

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  4. Which one of the following is not a basic flux –

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  5. False statement is –

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  6. Which one of the following reactions is an example for calcination pro...

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  7. Match List-I (Metal) with List-II (Process of Extraction) and select t...

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  8. When a sulphide ore is roasted, the product obtained is usually –

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  9. Which of the following curves assures that the metal obtained by carbo...

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  10. Which of the following activities is not related to poling ?

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  11. The purest variety of iron is called

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  12. The Elingham diagram (Fig.) represents the formation of oxides of seve...

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  13. The Elingham diagram (Fig.) represents the formation of oxides of seve...

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  14. The slag obtained during the extraction of copper from coper pyrites i...

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  15. A reaction showing slag formation is .

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  16. In the metallurgy of iron, when limestone is added to the blast furnac...

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  17. A flux is often added to remove impurities from a concentrated ore. ...

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  18. Tin and lead can be refined by

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  19. Refining of silver is done by :

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  20. CO on passing over heated nickel gives

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