The method that cannot be used for removing permanent hardness of water is

The method that cannot be used for removing permanent hardness of water is

A).  adding sodium carbonate

B).  distillation

C).  adding caustic soda

D).  boiling

---

Join Telegram Group

Answer This Question
Name:
Email:
Answer :
Sum of (1+3)
Submit:

Other Questions

1. Which one of the following is used as preservative for foodstuff

2. Question 6.28:Predict conditions under which Al might be expected to reduce MgO.

3. Inert gases are

4. Which gas does not form the part of atmosphere ?

5. The main constituent of biogas is

6. Dry ice is the solid form of :

7. Major gaseous pollutant of the thermal power station is

8. Question 9.11:What do you understand by the term “non-stoichiometric hydrides”? Do you expect this type of the hydrides to be formed by alkali metals? Justify your answer.

9. The acid used in eye wash is

10. Which of the following fibres catches fire least ?