HARDNESS OF WATER ASSIGNMENT

Question 1

Explain why soap does not form lather readily at first with hard water and then eventually forms the lather?

Question 2

Explain what is meant by hardness of water. What are the causes of temporary and permanent hardness of water?. How do these compounds that cause hardness of water reach the water?

Question 3

A white precipitate is formed when;

1. Carbon dioxide is blown into lime water
2. Temporary hard water is boiled
3. Washing soda is added to water containing dissolved magnesium