1.

Suppose you have four test tubes labelled as 'A', 'B', 'C' and 'D', 'A' contains plain water, 'B' contains the solution of alkali, 'C' contains the solution of an acid, and 'D' contains the solution of sodium chloride. Which one of these solutions will turn phenolphthalein solution pink?

A. Solution ‘A’
B. Solution ‘B’
C. Solution ‘C’
D. Solution ‘D’
Answer» C. Solution ‘C’


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