1. Impure Copper plate should be connected to positive terminal. Pure copper plate should be connected to negative terminal of electrode as copper ions are positively charged and will attract to negative electrode terminal. https://www.tiwariacademy.com/ncert-solutions/class-8/science/chapter-14/

    Impure Copper plate should be connected to positive terminal. Pure copper plate should be connected to negative terminal of electrode as copper ions are positively charged and will attract to negative electrode terminal.

    https://www.tiwariacademy.com/ncert-solutions/class-8/science/chapter-14/

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