Which of the following will you use to remove rust stains on cloth?

Alcohol

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Oxalic acid solution

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Kerosene oil

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Lime

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Solution

The correct option is B Oxalic acid solution
Oxalic acid's main applications include cleaning on bleaching, especially for the removal of rust(iron complexing agent). Bar Keepers Friend is an example of a household cleaner containing oxalic acid. Its utility in rust removal agent is due to its forming a stable water-soluble salt with ferric iron, ferrioxalate ion.

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