Self Studies

Extraction of E...

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  • Question 1
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    Iron is rendered passive by treatment with concentrated–

  • Question 2
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    Cupric oxide is reduced to copper by–

  • Question 3
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    On heating the molten mass of a metal absorbs oxygen which is again released on cooling. This is called as spitting and this property is shown by–

  • Question 4
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    Which of the following statements regarding aluminium is not correct–

  • Question 5
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    Galvanization is applying a coating of:

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