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Which of the Following Will You Use to Remove Rust Stains on Cloth? - Current Affairs Including General Knowledge

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MCQ

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

Options

  • Alcohol

  • Oxalic acid solution

  • Kerosene oil

  • Lime

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Solution

Oxalic acid solution

Explanation:

Oxalic acid's main applications include cleaning or 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 agents is due to its forming a stable,  water-soluble salt with ferric iron, ferrioxalate ion.

Concept: General Science (Entrance Exam)
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