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MODERN PUBLICATION-GENERAL PRINCIPLE OF ISOLATION OF ELEMENTS-EXERCISE
- Blue vitriol is .
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- Cast iron contains maximum percentage of .
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- Azurite is the ore of .
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- Bell metal is an alloy of and .
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- German silver is alloys of .
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- Mohr.s salt is .
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- Galvanised iron sheets have coating of :
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- FeSO4. 7H2O is known as
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- Percentage of carbon in steel is .
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- Brass contains .
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- Imprortant iron ore is .
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- Purest from of iron is .
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- Fe3O4 is known as .
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- CuSO4 , 5 H2O is known as .
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- Constantion is alloys of .
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- ZnS is:
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- During electrolytic method of extraction, aluminium liberted at .
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- Titanium is purified by ?
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- Extra pure germanium is obtained by .
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- Aluminium is obtained by :
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