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Which of the following process occurs in...

Which of the following process occurs in the presence of oxygen or air below its melting point ?

A

Roasting

B

Smelting

C

Calcination

D

A and C

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BEYOND PUBLICATION-PRINCIPLES OF METALLURGY-EXERCISE
  1. Which of the following metals are moderately reactive ?

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  2. Which of the following is the formula of calcium silicate ?

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  3. Which of the following process occurs in the presence of oxygen or air...

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  4. Generally which furnace is used for roasting ?

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  5. The process of obtaining the pure metal from the impure metal is calle...

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  6. Carnallite is an ore of

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  7. Which of the following process occurs in the absence of air ?

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  8. Which of the following one, we need to make gold hard ?

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  9. Which of the following is an example of corrosion ?

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  10. Which of the following is most common metal in the Earth's crust ?

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  11. Which of the following are the ores of magnesium (Mg) ?

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  12. The reducing agent in thermite process is?

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  13. Magnetic is an ore of

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  14. Which of the following is added to the ore to remove the gangue from i...

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  15. Which of the following means, simply getting rid of as much of the unw...

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  16. Which of the following is the place inside the furnace where the ore ...

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  17. The smelting is carried our in a specially built furnace known as

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  18. The electrolyte is an acidified solution of

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  19. Which of the following is the part of the furnace where the fuel is ke...

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  20. Which of the following is defined as the arrangement of the metals in ...

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