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Roosting is carried out to...

Roosting is carried out to

A

remove C and S impurities

B

melt the ore

C

convert sulphide ore to oxide

D

remove water of hydration

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BEYOND PUBLICATION-PRINCIPLES OF METALLURGY-EXERCISE
  1. Arrange the following metals in the order of their decreasing reactivi...

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  2. The corrent decreasing order of the reactivity of the metals : Fe, Co,...

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  3. Roosting is carried out to

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  4. Which is correct in the following ?

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  5. Which is not feasible ?

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  6. Food cans are coated with tin and not with zinc because

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  7. Copper do not displacefrom dilute acids

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  8. Aluminium foli is used fro wrapping food because :

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  9. Steel is an alloy of

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  10. Which of the following types of ores cn be converted in oxide by calci...

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  11. Which of the following methods is suitable for preventing an iron fryi...

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  12. Point out correct statement Iron is :

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  13. Which of the following process involve the smelting process ?

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  14. During melting of haematite in a blast furnace………….is the flux added.

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  15. Low-melting metal like tin can be purified by this method

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  16. Low boiling metals like mercury and zinc are refined by

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  17. Which of the following are Sulphides ? Zinc Blende Rock Salt Cinn...

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  18. Which of the following are not ionic compounds ? KCl HCl CCl4 N...

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  19. Aluminium is used for making cooking utensils. Which of the following ...

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  20. Which of the following methods is suitable for preventing an iron arti...

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