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प्रश्न
In Van Arkel method for refining zirconium or titanium, the halogen used is __________.
पर्याय
fluorine
chlorine
bromine
iodine
MCQ
उत्तर
iodine
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संबंधित प्रश्न
Explain magnetic separation process of ores with the help of a neat, labelled diagram.
Calcium carbonate used in the extraction of iron acts as _______.
(A) oxidising agent
(B) reducing agent
(C) gangue
(D) flux
Explain the following term
Flux
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
Match the items of Column I with items of Column II and assign the correct code:
| Column I | Column II |
| (A) Pendulum | (1) Chrome steel |
| (B) Malachite | (2) Nickel steel |
| (C) Calamine | (3) \[\ce{Na3AlF6}\] |
| (D) Cryolite | (4) \[\ce{CuCO3.Cu (OH)2}\] |
| (5) \[\ce{ZnCO3}\] |
