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Two solutions A and B have pH values of ...

Two solutions A and B have pH values of 3 and 8.
a) Find the acid and alkali among them.
b) How will you identify them?
c) Which solution will turn phenolphthalein solution to pink?

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a) Acid - A, Alkali - B
b) The solution having pH less than 7 shows acid nature.
The solution having pH value more than 7 shows basic nature.
c) B. Alkalies are substances which have the pH value above 7. When we add phenolphthalein to alkalies, the solution turns to pink.
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