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(a) White the steps involved in the e...

(a) White the steps involved in the extraction of pure metals in the middle of the activity series from their carbonate ores.
(b) How is copper extracted from its sulphuric ore ?Explain the variour steps supported by chemical equations. Draw labelled diagram from the electrolytic refining of copper.

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DINESH PUBLICATION-METALS AND NON-METALS-Long Answer Questions
  1. How will your demonstrate that the ionic compounds do not conduct elec...

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  2. With a suitable activity show that sulphur burns in air to form a comp...

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  3. (a) Define corrosion, what is the nature given to corrosion of iron ? ...

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  4. Give reasons for the following : (i) Zinc can displace copper from c...

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  5. (a) Distinguish between 'roasting' and 'calcination'. Which of the two...

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  6. Give an example of a metal which (i) is a liquid at room temperature...

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  7. (a) Write the balanced chemical equations for the extraction of copper...

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  8. (a) Write method will you use to reduce the following ? Explain by giv...

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  9. (a) Why are ionic compounds usually hard crystalline solids ? (b) Gi...

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  10. (a) Write the balanced chemical equations for the extraction of copper...

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  11. (A) Name the components of the alloy steel and stainless steel. (b) ...

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  12. A metal M found in nature as sulphide ore (M(2)S) is one of the good c...

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  13. State the reason why (i) carbon is not used to reduce the oxides of...

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  14. (a) Write the chemical reactions taking place when : (i) Manganese ...

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  15. (a) White the steps involved in the extraction of pure metals in th...

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  16. A metal 'X' acquires a green colour coating on its surface on exposure...

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  17. Give reasons for the following : Ionic compounds have high melting ...

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  18. (a) Why are ionic compouds usually hard crystalline solids ? (b) G...

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  19. (A) Name the components of the alloy steel and stainless steel. (b) ...

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  20. State the reason why (i) carbon is not used to reduce the oxides of...

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