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The aim of addition of flux along with t...

The aim of addition of flux along with the ore during smelting is

A

To reduce the melting point of metal

B

For increasing boiling point of metal

C

To make ore porous

D

To remove the impurities

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The correct Answer is:
D
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MOTION-METALLURGY-EXERCISE 1
  1. Purpose of smelting of an one ore is –

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  2. The substance used in the thermite process of reducing metal ores is

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  3. The aim of addition of flux along with the ore during smelting is

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  4. Which one of the following metals is extracted by carbon reduction pro...

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  5. The common method for the extraction of metals from oxide ores involve...

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  6. Specific gravity of slag is

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

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

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  9. False statement is –

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

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

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

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

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

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  15. The purest variety of iron is called

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

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

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

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  19. A reaction showing slag formation is .

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

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