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General Princip...

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  • Question 1
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    Name the element which serves as the cathode in the extraction of aluminium.

  • Question 2
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    Assertion: When an electric current is passed through the copper sulphate electrolyte, the impure copper anode gradually dissolve and pure copper is deposited on the cathode.
    Reason: Pure metals are deposited in electroplating techniques.

  • Question 3
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    Followed by oxygen which element is the most abundant in human body?

  • Question 4
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    CO is toxic because it forms complex with _________ in the blood.

  • Question 5
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    $$NaCN$$ is sometimes added in the forth flotation process as a depressant when $$ZnS$$ and $$PbS$$ minerals are expected because :

  • Question 6
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    Which of the following metals are found in native state?


    Ag, Pt, C, Si, N, O, Mg, Na, Pb

  • Question 7
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    A thermite mixture contains iron $$[III]$$ oxide and aluminium, in which ______ is in a higher ratio in the mixture.

  • Question 8
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    Copper is an __________ resource.

  • Question 9
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    Directions For Questions

    Complete  the  statements  given below pertaining to metallurgy by filling 
    the blank with the correct word.
    With reference to the extraction of aluminium.

    ...view full instructions

    The conversion of aluminium hydroxide to pure alumina is carried out by:

  • Question 10
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    Aluminium is utilized in cooking utensils since it is :

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