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प्रश्न
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).
अति संक्षिप्त उत्तर
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उत्तर
Sulphuric acid: Red < Car battery acid: Pink < Washing-up liquid: Yellow < Milk of magnesia: Light blue < Metal polish: Dark blue < Oven cleaner: Purple
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