Essential Chemistry for IGCSE - Air And Water (Section 1 - No. 45)
In the context of rust prevention, what is sacrificial protection?
A method where a barrier is applied to prevent rusting.
A method where a less reactive metal is used to protect a more reactive metal.
A method where a more reactive metal corrodes instead of the less reactive metal.
A method where the rust is removed from the metal surface.
Explanation
Sacrificial protection is when a more reactive metal corrodes in place of the protected metal.
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