Question

Please answer the question please please please please please please please please please please. A sample of hard water was boiled for sometime it was cooled and shaken with soap it did not produce lather readily .From the above observation answer the following questions.1) Is the hardness temporary or permanent? 2)which salts are responsible for the type of hardness? 3)how do you remove this type of hardness from water ?​

Answer 1

1) Permanent hardness

2) bicarbonates of magnesium

3)By adding washing soda

Answer 2

Your answers is.....

a) hardness is temporary..

b) calcium hydrogen carbonate salt is responsible.

c) soda water is responsible.