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प्रश्न
Draw a neat labelled diagram.
Magnetic separation method.
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उत्तर
Magnetic separation method-
संबंधित प्रश्न
What is aqua-regia? Name two special metals which are insoluble in common reagents but dissolve in aqua-regia.
Name one method for the refining of metals.
How are metals refined by the electrolytic process? Describe the electrolytic refining of copper with the help of a neat labelled diagram.
Name any five metals which are purified by electrolytic refining method.
Draw a neat labelled diagram.
Electrolytic reduction of alumina.
Draw a neat labelled diagram.
Hydraulic separation method.
Which of the following process to be carried out to avoid the
formation of greenish layer on brass vessels due to corrosion?
Name one metal each occurring as :
A carbonate
Name one metal each occurring as :
An oxide
Ionic compounds are electrically _______.
\[\ce{Cu2S + 3Cu2O -> 6Cu + SO2}\]
The above process is:
In the electrolytic refining of copper, the electrolyte used is:
Metals are refined by using different methods. Which of the following metals are refined by electrolytic refining?
(i) Au
(ii) Cu
(iii) Na
(iv) K
Which one of the following figures correctly describes the process of electrolytic refining?
Answer the following question with reference to the electrorefining of copper:
What is the anode made of?
Answer the following questions with reference to the electrorefining of copper:
Write the reaction taking place at the cathode.
