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Why are sulphide ores converted to oxide...

Why are sulphide ores converted to oxide before reduction?

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Sulphide ore of ore metal is converted to oxide form before reduction because it is always easy to reduce the oxide of a metal than its sulphide.
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Why are sulphide ores converted to oxide form before reduction to metal ?

Assertion (A): Usually the sulphide ore is converted to oxide before reduction. Reason (R): Reduction of oxides occurs easier.

Explain the following (a) CO_(2) is a better reducing agent below 710 K whereas CO is a better reducing agent above 710 K . (b) Generally sulphide ores are converted into oxides before reduction. ( c) Silica is added to the sulphide ore of copper in the reverberatory furnance. (d) Carbon and hydrogen are not used as reducing agents at high temperature. (e) Vapour phase refining method is used for the purification of Ti

Assertion : Sulphide ores are converted to oxides before reduction. Reason : Oxides are easier to reduce.

Sulphide ore is

Sulphide ores are converted into oxides by

Why is it advantageous to roast a sulphide ore to the oxide before reduction ?

DINESH PUBLICATION-GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS -Short Answer Type Questions
  1. Why is an external e.m.f of more than 2.2V required for the extraction...

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  2. At temperature above 1073K coke can be used to reduce FeO to Fe. How c...

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  3. Wrought iron is the purest form of iron. Write a reaction used for the...

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  4. How is copper extracted from low grade copper ores?

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  5. Write two basic requirements for refining of a metal by Mond process a...

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  6. Although carbon and hydrogen are better reducing agents but they are n...

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  7. How do we separate two sulphide ores by Froth Floatation Method? Expla...

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  8. The purest form of iron is prepared by oxidising impurities from cast ...

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  9. The mixture of compounds A and B is passed through a column of Al(2)O(...

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  10. Why is sulphide ore of copper heated in a furnace afer mixing with sil...

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  11. Why are sulphide ores converted to oxide before reduction?

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  12. Which method is used for refining Zr and Ti? Explain with equation.

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  13. What should be the considerations during the extraction of metals by e...

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  14. What is the role of flux in metallurgical processes?

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  15. How are metals used as semiconductor refined? What is the principle of...

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  16. Write down the reactions taking place in Bast furnace related to the m...

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  17. Give two requirements for vapour phase refining.

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  18. Write the chemical reaction involved in the extraction of gold by cyan...

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