Which of the following is used to remove rust stains on cloth?
A. Kerosene
B. Lime
C. Oxalic acid solution
D. Petrol
Answer: Option C
This Question Belongs to Chemistry GK Chapter Wise >> Organic Chemistry
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Traditional 'battery' contains which of the following chemicals?
A. Ethylene glycol
B. Sulphuric acid
C. Sodium bicarbonate
D. Ethanol
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