Water

Question 1

What only occurs in hard water

Answer 1

Scum

Question 2

Which type of water does lather form

Answer 2

Soft water

Question 3

What words to include in distillation

Answer 3

Evaporating
Condensing
Desalinating

Question 4

What are the advantages of hard water

Answer 4

Some people prefer the flavour
Calcium strengthens childrens teeth and bones
Helps reduce heart disease

Question 5

What the disadvantages of hard water

Answer 5

Difficult to form a lather with soap
Scum forms and wastes soap
Limescale forms on appliances like kettles and dishwashers

Question 6

What method can be used to also seperate soft water

Answer 6

Distillation

Question 7

How can hard water be softened

Answer 7

Sodium carbonate

Question 8

Why can using soap solution be inaccurate

Answer 8

Has to be well shaken

Question 9

What is hardness in water caused by

Answer 9

Magnesium

Question 10

What is permanent hard water caused by

Answer 10

Calcium sulfate

Question 11

What is temporary hard water caused by

Answer 11

Calcium hydrogen carbonate