Answer: Alum is a chemical (aluminum potassium sulphate); it tends to be whitish powder with several uses, including:
1. As an astringent 2. As an antibacterial 3. As a food preservative 4. As a 'Styptic pencil' to heal shaving cuts 5. To stem the flow of minor blood loss and cuts 6. Soaked into materials to make them flame retardant
There are other uses, but these are some of the more common ones.
Alum is a chemical (aluminum potassium sulphate); it tends to be whitish powder with several uses, including:
1. As an astringent 2. As an antibacterial 3. As a food preservative 4. As a 'Styptic pencil' to heal shaving cuts 5. To stem the flow of minor blood loss and cuts 6. Soaked into materials to make them flame retardant
There are other uses, but these are some of the more common ones. Source: CoolInterview.com
If you have the better answer, then send it to us. We will display your answer after the approval.
Rules to Post Answers in CoolInterview.com:-
There should not be any Spelling Mistakes.
There should not be any Gramatical Errors.
Answers must not contain any bad words.
Answers should not be the repeat of same answer, already approved.