1.What is cathode and Anode?

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Solution

Cathode' is a Negatively charged Electrode that attracts the Positive (+) ions (Cations) in a Chemical reaction . The 'Anode' is the Positively charged Electrode that attracts the Negative (-) ions (Anions) in a Chemical reaction.

in simple words you can say cathode is connected to -ve terminal and anode to +ve terminal

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In electrolytic cell flow of electron is from :
a)cathod to anode in solution
b)cathode to anode through external supply
c)cathode to anode through internal supply
d)anode to cathode to internal supply

[Doubt: what is internal and external supply here ,Pls explain Concept and answer]

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