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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
संबंधित प्रश्न
Explain column chromatography.
What criterion is followed for the selection of the stationary phase in chromatography?
Write the chemical equations involved in van Arkel method for refining zirconium metal.
Name the method of refining which is Used to obtain low boiling metal.
Zone refining is based on the principle that ______.
Electrolytic refining is used to purify which of the following metals?
In which of the following method of purification, metal is converted to its volatile compound which is decomposed to give pure metal?
(i) Heating with stream of carbon monoxide.
(ii) Heating with iodine.
(iii) Liquation.
(iv) Distillation.
Assertion: Zone refining method is very useful for producing semiconductors.
Reason: Semiconductors are of high purity.
Describe a method for refining nickel.
Describe a method for refining nickel.
