1.

When few drops of phenolphthalein are added to sample 'A' it turned pink. To this pink coloured solution we added a few drops of sample 'B'. With continuous stirring the pink colour disappears. Samples 'A' and 'B' are:

A. sample 'A' is acidic and sample 'B' is basic.
B. sample 'A' is basic and sample 'B' is acidic.
C. sample 'A' is basic and sample 'B' is neutral.
D. sample 'A' is acidic and sample 'B' is neutral.
Answer» C. sample 'A' is basic and sample 'B' is neutral.


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