Question : Which of the following is used to remove rust stains on cloth ?
Option 1: Kerosene
Option 2: Lime
Option 3: Oxalic acid solution
Option 4: Petrol
Latest: SSC CGL preparation tips to crack the exam
Don't Miss: SSC CGL complete guide
Correct Answer: Oxalic acid solution
Solution : The correct option is Oxalic acid solution
Oxalic acid's main applications include cleaning on bleaching, especially for the removal of rust(iron complexing agent).
Oxalic acid is an organic compound with the formula H2C2O4. It is a colourless crystalline solid that dissolves in water to give colourless solutions.
Oxalic acid is a reducing agent and its conjugate base, known as oxalate , is a chelating agent for metal cations.
Typically, oxalic acid occurs as the dihydrate. Ingestion of oxalic acid through skin contact or orally is dangerous.
Oxalic acid’s main applications include cleaning or bleaching, especially for the removal of rust, e.g. Bar Keepers Friend is an example of a household cleaner containing oxalic acid.
Final answer is Oxalic acid solution
Related Questions
Know More about
Staff Selection Commission Combined Grad ...
Answer Key | Eligibility | Application | Selection Process | Preparation Tips | Result | Admit Card
Get Updates Brochure
Your Staff Selection Commission Combined Graduate Level Exam brochure has been successfully mailed to your registered email id “”.
