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प्रश्न
Name one metal each occurring as :
A sulphine
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उत्तर
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संबंधित प्रश्न
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.
Explain how the following metals are obtained from their compounds by the reduction process:
(i) Metal M which is in the middle of the reactivity series.
(ii) Metal N which is high up in the reactivity series.
Give one example of each type
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 :
An oxide
Ionic compounds are electrically _______.
Electrolysis is used to obtain pure metal from impure metal.
The lightest liquid metal is ____________.
\[\ce{Cu2S + 3Cu2O -> 6Cu + SO2}\]
The above process 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
Reaction between X and Y, forms compound Z. X loses electron and Y gains electron. Which of the following properties is not shown by Z?
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 do you observe at the cathode?
