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Question

Which of the following chemical is used in removing ink stain from clothes?
  1. Ethyl alcohol
  2. Glycol
  3. Banzoic acid
  4. Oxalic acid

A
Oxalic acid
B
Banzoic acid
C
Ethyl alcohol
D
Glycol
Solution
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oxalic acid is used to remove ink stains from clothes because it converts most insoluble iron compounds into a soluble complex ion.

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