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Get Answers to all your Questions
On adding a few drops of universal indicator in three colourless solutions and
taken separately in three test tubes, a student observed the changes in colour as green in X, red in Y and blue in Z.
(a) Arrange and
in increasing order of their pH values.
(b) Which one of the three, and
, will change the colour of phenolphthalein ? Why ?
Answers (1)
(a) Increasing order of
(b) will change the colour of phenolphthalein because
is basic in nature.
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