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प्रश्न
Answer the following question with reference to the electrorefining of copper:
What do you observe at the cathode?
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उत्तर
Pure copper is deposited on the thin sheet of pure copper placed at the cathode.
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संबंधित प्रश्न
Name one method for the refining of metals.
Name any five metals which are purified by electrolytic refining method.
During the refining of an impure metal by electrolysis, the pure metal is a deposited:
(a) at cathode
(b) on the walls of electrolytic tank
(c) at anode
(d) at the bottom of electrolytic tank
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.
Froth floatation method.
Ionic compounds are electrically _______.
An electrolytic cell consists of
- positively charged cathode
- negatively charged anode
- positively charged anode
- negatively charged cathode
What are the constituents of solder alloy? Which property of solder makes it suitable for welding electrical wires?
Identify the terms for the following:
The electrode where reduction takes place.
Answer the following questions with reference to the electrorefining of copper:
Write the reaction taking place at the cathode.
