a shop keeper has a few bottles of soft drinks in his restaurent which are not labeled. one customer wants acidic drink,another wants basic drink,and the third one want neutral drink . how will the shop keeper decide which drink is served to be whom?
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By pH paper when the shop keeper dips the pH paper in soft drinks the colour of the pH paper changes into red,green&neutral colors
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by litmus paper test.
if red litmus turn blue, it is basic drink.
it blue litmus turn red, it is acidic drink.
And there is no change, it's mean that neural.
if red litmus turn blue, it is basic drink.
it blue litmus turn red, it is acidic drink.
And there is no change, it's mean that neural.
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