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MBD PUBLICATION-GENERAL PRINCIPLES OF ISOLATION OF ELEMENTS-QUESTION BANK
- 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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- Copper metal obtained from Bessemer converter is known as .
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- Cast iron contains maximum percentage of carbon. Is it true or false?
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- Azurite is the ore of iron. Is it true or false?
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- German silver is alloys of silver. True / False
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- Define gangue, flux and slag with a suitable example.
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- What is calcination?
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- What is electro-refining ? Give one example.
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- Distinguish between flux and slag ?
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