[amp_mcq option1=”Oxalic acid” option2=”Alcohol” option3=”Ether” option4=”Kerosene oil” correct=”option1″]
The correct answer is A. Oxalic acid.
Oxalic acid is a strong acid that can be used to remove ink and rust stains on cloth. It is important to note that oxalic acid is a dangerous chemical and should be used with caution. It is also important to test the acid on an inconspicuous area of the cloth before using it on the stain.
Alcohol is a solvent that can be used to remove ink stains on cloth. However, it is not effective at removing rust stains.
Ether is a flammable solvent that can be used to remove ink stains on cloth. However, it is not effective at removing rust stains.
Kerosene oil is a lubricant that can be used to remove ink stains on cloth. However, it is not effective at removing rust stains.
Here are some additional details about each option:
- Oxalic acid is a white, crystalline solid that is soluble in water. It is a strong acid and can cause burns if it comes into contact with skin or eyes. Oxalic acid is used in a variety of industries, including the chemical, metalworking, and food processing industries. It is also used in some household products, such as drain cleaners and rust removers.
- Alcohol is a colorless, flammable liquid that is produced by the fermentation of sugars. It is used in a variety of products, including beverages, solvents, and fuels. Alcohol is also used in some household products, such as hand sanitizers and rubbing alcohol.
- Ether is a colorless, flammable liquid that is produced by the distillation of ethyl alcohol. It is used as a solvent and as an anesthetic. Ether is also used in some household products, such as paint thinners and spot removers.
- Kerosene oil is a light, colorless oil that is obtained from petroleum. It is used as a fuel for heating and lighting. Kerosene oil is also used in some household products, such as lamp oil and stove fuel.