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MBD PUBLICATION-GENERAL PRINCIPLES OF ISOLATION OF ELEMENTS-QUESTION BANK
- 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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- Constantan is an alloy of .
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- Imprortant iron ore is .
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- During electrolytic method of extraction, aluminium liberted at .
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- Composition of copper matte is 20% Cu + 80% Cu2S and FeS. Is it true...
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- The purity of blistered copper is 90% .
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- Galvanised iron sheets have coating of :
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- Important iron ore is iron pyrite
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- Purest form of iron is cast iron. True or False
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- Fe3O4 is known as haematite. True or False
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