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Complete the following by selecting the ...

Complete the following by selecting the correct option from the choices given :
The divalent metal whose oxide is reduced to metal by electrolysis of its fused salt is ....... (AI/Na/Mg/K)

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ICSE-METALLURGY-QUESTIONS FROM PREVIOUS ICSE BOARD PAPERS
  1. Name the The ore of zinc containing its sulphide.

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  2. This is not an alloy of copper :

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  3. Give appropriate scientific reasons for the following statements: Z...

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  4. For each of the substance listed below, describe the role played in th...

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  5. Explain why : In the electrolysis of alumina using the Hall Heroult...

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  6. Explain why : Iron sheets are coated with zinc during galvanization.

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  7. The two main metals in Bronze are :

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  8. Identify the term/substance of the following: The method used to separ...

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  9. (i)Name the solution used to react with Bauxite as a first step in obt...

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  10. From the list of terms given, choose the most appropriate term to matc...

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  11. Name the The process of coating of iron with zinc.

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  12. Name the An alloy of lead and tin that is used in electrical circui...

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  13. Name the An ore of zinc containing its sulphide.

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  14. Name the A metal oxide that can be reduced by hydrogen.

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  15. Complete the following by selecting the correct option from the choice...

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  16. Complete the following by selecting the correct option from the choice...

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  17. Give one word or a phrase for the following statement: The process by ...

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  18. Fill up the blank with the correct choice given in bracket. The most c...

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  19. Name the main component of the following alloys : (i) Brass (ii) Du...

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  20. (i) Name the most common ore of the metal aluminum from which the meta...

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