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Which of the following one, we need to m...

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

A

Aluminium, Silver

B

Silver, Zinc

C

Zinc, Copper

D

Silver, Copper

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BEYOND PUBLICATION-PRINCIPLES OF METALLURGY-EXERCISE
  1. Carnallite is an ore of

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

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

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

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

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

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  7. The reducing agent in thermite process is?

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  8. Magnetic is an ore of

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

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

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

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

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  13. The electrolyte is an acidified solution of

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

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

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  16. Which of the following metals are high reactivity ?

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  17. The process of extraction and isolation of the metal from its naturall...

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  18. The composition of Haematite is

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  19. One of the ores of Aluminium i

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  20. ………method is in use for removing gangue form sulphide ores.

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