water

Question 1

how do you test for water hardness

Answer 1

you put the water in a test tube add a bit of soap solution and shake and add more soap until it has perminent bubbles on the top of it. the more bubbles it needed the harder the water is

Question 2

what coauses hard water?

Answer 2

it becomes hard when salts or magnizium disolves in the water

Question 3

water turns what color when you put water on cabalt chloride paper

Answer 3

pink