Here Are Some Results Of Solutions Tested With Universal Indicator Paper

Here are some results of solutions tested with universal indicator paper : Sulphuric acid : … (starting with the one with…

Answers:

Sulphuric acid < car battery acid < washing up liquid < milk of magnesia < metal polish < oven cleaner since:

Red : pH = 1

Pink : pH = 3-4

Yellow: pH = 5-6

Light blue : pH = 9

 Dark blue : pH = 10

Purple: pH = 11