Q.7Given below are the results of solutions tested with universal paper indicator.
Sulphuric acid
Metal polish
Washing up liquid
Milk of Magnesia
Oven cleaner
Car battery acid
Red
Dark blue
Yellow
Light blue
Purple
Pink
Arrange the solutions with increasing pH values-
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Answer:
Sulphuric acid : Red
Metal polish : Dark blue
Washing-up liquid : Yellow
Milk of magnesia : Light blue
Oven cleaner : Purple
Car battery acid : Pink
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