Lime Water (Chemical used in other experiments)

You will need:

Calcium Hydroxide (powder) 

Small clean bottle with lid/cap

Label

Lime Water is a solution of Calcium Hydroxide

Put 2 measures of Calcium Hydroxide into a bottle and add 80ml of water (measured) into the bottle. Put the cap onto the bottle and shake for a minute or so. Leave it to stand where the solid particles of the Calcium Hydroxide which remain will settle leaving a clear solution. This clear Solution is Lime water. Carefully pour the clear solution into the bottle and label.