Which of the following is a method of removing temporary hardness?(a) boiling(b) adding washing soda(c) adding caustic soda(d) adding sodium phosphateThe question was posed to me by my college director while I was bunking the class.This is a very interesting question from Hydrogen topic in chapter Hydrogen of Chemistry – Class 11

Which of the following is a method of removing temporary hardness?(a)

1.	Which of the following is a method of removing temporary hardness?(a) boiling(b) adding washing soda(c) adding caustic soda(d) adding sodium phosphateThe question was posed to me by my college director while I was bunking the class.This is a very interesting question from Hydrogen topic in chapter Hydrogen of Chemistry – Class 11
Answer» The correct option is (a) boiling To explain: The methods that are used for removing the temporary hardness of WATER are by boiling and by CLARK’s process. Adding WASHING SODA, caustic soda and SODIUM phosphates are for permanent hardness removal.

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