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प्रश्न
Out of PbS and PbCO3 (ores of lead), which one is concentrated by froth floatation process preferably?
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उत्तर
PbS
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संबंधित प्रश्न
Name the method used for the refining of Nickel metal.
Name the method used for the refining of zirconium.
Explain:
Zone refining
Explain column chromatography.
Describe a method for refining nickel.
Outline the principles of refining of metals by the following method:
Vapour phase refining
Zone refining is based on the principle that ______.
How are metals used as semiconductors refined? What is the principle of the method used?
Assertion: Nickel can be purified by Mond process.
Reason: \[\ce{Ni(CO)4}\] is a volatile compound which decomposes at 460 K to give pure Ni.
Describe a method for refining nickel.
