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The sketch below illustrates the refinin...

The sketch below illustrates the refining of aluminium by Hoope's process.

What is the electrolyte in the tank?

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The sketch below illustrates the refining of aluminium by Hoope's process. Which of A and B is the cathode and which one is the anode?

The sketch below illustrates the refining of aluminium by Hoope's process. What material is used for the cathode?

Answer the following questions with respect to the electrolytic process in the extraction of aluminium: Identify the components of the electrolyte other than pure alumina and the role played by each.

In the electrolytic reduction of pure alumina to pure aluminium - by Hall Herault's process, give the electrolytic reaction involved in the same, resulting in formation of aluminium at the cathode.

Answer the question based on the extraction of aluminium from alumina by Hall Heroult's Process : What is sprinkled on top of the electrolyte ?

Answer the following questions based on the ectraction of aluminium from alumina by Hall - Heroult's Process. What is the function of cryolite used along with alumina as the electrolyte.

The following is a sketch of an electrolytic cell used in the extraction of aluminium. What is the substance of which the electrode A and B are made ?

The following is a sketch of an electrolytic cell used in the extraction of aluminium. Why is it necessary for electrode B to be continuously replaced ?

The following is a sketch of an electrolytic cell used in the extraction of aluminium. At which electrode (A or B) is the aluminium formed ?

Describe the bulk preparation of dihydrogen by electrolytic method. What is the role of an electrolyte in this process ?

ICSE-METALLURGY-QUESTIONS FROM PREVIOUS ICSE BOARD PAPERS
  1. Correct the following statements.For Example : "Chlorine is a bleachin...

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  2. The sketch below illustrates the refining of aluminium by Hoope's proc...

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  3. The sketch below illustrates the refining of aluminium by Hoope's proc...

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  4. The sketch below illustrates the refining of aluminium by Hoope's proc...

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  5. State the property of the metal being utilised in the following:

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  6. Which one of the following is not true of metals

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  7. Give the equations for the following conversions A to E

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  8. Name the main constituent metal in the following alloy : Duralumin

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  9. Name the main constituent metal in the following alloys : Brass

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  10. Name the main constituent metal in the following alloys : Stainless...

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  11. Choose from the following list of substances, as to what matches the d...

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  12. What would you observe in each of the following cases? When carbon m...

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  13. This metal is a liquid at room temperature.

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  14. Name a metal which is found abundantly in the earth's crust.

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  15. What is the difference between calcination and roasting?

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  16. Name the process used for the enrichment of sulphide ore.

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  17. Write the chemical formulae of one main ore of iron and aluminium .

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  18. Write the constituents of electrolyte for the extraction of aluminium.

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  19. Which of the following metallic oxides cannot be reduced by normal red...

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  20. Give reason for the following: Iron is rendered passive with fuming ni...

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