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प्रश्न
In Van Arkel method of refining metal, impure zirconium is converted to unstable volatile
compound by heating it with _______.
(A) oxygen
(B) chlorine
(C) bromine
(D) iodine
उत्तर
iodine
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Explain magnetic separation process of ores with the help of a neat, labelled diagram.
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| (D) Cryolite | (4) \[\ce{CuCO3.Cu (OH)2}\] |
| (5) \[\ce{ZnCO3}\] |
