Here are some results of solutions tested with universal indicator paper:
Sulphuric acid Metal polish Washing-up liquid Milk of magnesia Over cleaner
Car battery acid Red
Dark blue Yellow Light blue Purple
Pink
Arrange the solutions in order of their increasing pH values (starting with the one with the lowest pH).

Question

Here are some results of solutions tested with universal indicator paper:
Sulphuric acid Metal polish Washing-up liquid Milk of magnesia Over cleaner
Car battery acid	Red
Dark blue Yellow Light blue Purple
Pink
Arrange the solutions in order of their increasing pH values (starting with the one with the lowest pH).

MyClass24 · Accepted Answer

The solutions have been arranged below in the increasing order of their pH values
Sulphuric acid (pH 1) < Car battery acid (pH 2) < Washing-up liquid (pH 5) < Milk of magnesia (pH 9)
< Metal polish (pH 12) < Oven cleaner (pH 14)