5.
colour litmus paper turns in alkalis
6.
colour litmus paper turns in acids
7.
used to test acid and alkalis, comes in blue and red
8.
changes colour to show if something is an acid or alkali
9.
acid that contains a lot of water
10.
acid that doesn't have a lot of water
11.
a reaction between an acid and a base
12.
an example of an acid you find in the kitchen
13.
an example of an acid we use in the lab
