Q.

Select the incorrect statements.

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Zn-Cu cell is called Daniell cell

Rust is Fe2O3

Saline water slows down rusting

Pure metals undergo corrosion faster than impure metal

answer is B.

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Detailed Solution

Rust is Fe2O3⋅xH2OSaline water speeds up the rusting process and impure metal corrodes more faster as compared to pure metal.

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