today we are testing acids again.
equipment
pipettes
test tube
test tube racks
boiling tubes
water
steps
1.Take a test tube rack with 1 boiling tube at each end of the rack and 4 test tube
2.half/quarter fill the boiling tube at one end with sodium hydroxide
3.half/quarter fill the boiling tube at one end with hydrochloric acid
4.fill each test tube with 5 drops of Universal indicator
5.Using the pipettes you will add drops of the acid or alkaline to the test tube to make colours of red,orange,yellow,green,blue,violet
6.don't mix the pipettes
