Here are some results of solutions tested with universal indicator paper: Sulphuric acid - Red,
Metal Pelish-Darkblue, Washing-up liquid - yellow,
Milk of magnesia-light blue, over cleaner- Purple, car battery acid Pink. arange the solutions in ouder of their increasing 'pH values.
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Explanation:
Sulphuric acid < car battery acid < washing up liquid < milk of magnesia < metal polish < oven cleaner since:
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