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Question
Which metal when attached to an iron pipe immersed in sea water, would prevent rusting of the iron ?
Which metal when attached to an iron pipe immersed in sea water, would prevent rusting of the iron ?
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Solution
The correct option is D Magnesium
Iron is more reactive than copper, lead and silver so it will react first and here iron rust but as Mg is more reactive than iron, it will react first and iron will not rust.
Iron is more reactive than copper, lead and silver so it will react first and here iron rust but as Mg is more reactive than iron, it will react first and iron will not rust.
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