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Tin stone (cassiterite) is purified by ...

Tin stone (cassiterite) is purified by magnetic separation method. Name and formulate the magnetic chemical present with it.

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Wolframite (ferrous lungstate)`FeWO_4` is the magnetic impurties present with tin stone which is separated by magnetic separation method.
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AAKASH INSTITUTE-GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS-Assignment (Section-D) Assertion-Reason Type Question
  1. Tin stone (cassiterite) is purified by magnetic separation method. Na...

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  2. A: Cuprite is concentrated by froth floatation process R: Cuprite is ...

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  3. A: Bauxite is purified by leaching process R: Aluminium oxide reacts ...

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  4. A: Calamine and Dolomite are the carbonate ores. R: Calamine is ZnCO...

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  5. A: Roasting process is involved in the metallurgy of Cu from Malachite...

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  6. A: Metallurgy of Ag from Argentite is known as hydro-metallurgy R: Ar...

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  7. A: In the manufacturing of iron from hematite, silicon dioxide is adde...

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  8. A: Ultrapure metals are obtained by zone refining. R: Van arkel metho...

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  9. A: Wrought iron is purest form of iron with respect to other forms. R...

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  10. A: Magnesium oxide is used for the lining in stoel making furnace . R...

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  11. A: Aluminium metal is used as a reducing agent for the extraction of m...

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  12. STATEMENT-1 : Zinc and not copper is used in the recovery of silver fr...

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  13. A: Hydrometallurgy is used for extraction of Ag and Au. R: Hydrometal...

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  14. A: Pure silver is obtained by electrolysis of AgNO3 solution R: In el...

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  15. A:Carbon is used in blast furnace for reuction of Fe2O3 B:This process...

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  16. A:In Hall process Aluminium is purified. B:Al2O3(aq)is used in Hall pr...

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