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Here are some results of solutions tested with universal indicator paper : Sulphuric acid : Red Metal polish : Dark blue Washing-up liquid : Yellow Milk of magnesia : Light blue Oven cleaner : Purple Car battery acid : Pink Arrange the solutions in order of their increasing pH values (starting with the one with the lowest pH). Lakhmir Singh Chemistry Class 10

Answer» SOLUTIONS with lowest pH are the ones which are acidic and turns litmus paper red. It has a pH which ranges below 7. And solutions with pH greater than 7 are basic, and turns litmus paper blue to purple. Below, the solutions have been arranged in the increasing ORDER of pH: i) Sulphuric ACID as it turns the indicator paper red. ii) Car battery acid. iii) Washing up liquid. iv) Milk of magnesia. V) Metal polish. vi) Oven cleaner is the most basic solution as it turns the indicator paper purple.


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