You are provided with three test tubes A, B and C as shown in Figure 5.3 with different liquids. What will you observe when you put

(a) a piece of blue litmus paper in each test tube.

(b) a piece of red litmus paper in each test tube.

(c) a few drops of phenolphthalein solution to each test tube.

Answers (1)
Test tube Effect on blue litmus Effect on red litmus Effect on Phenolphthalein Solution
A Turns red Remains red Colourless
B Remains Blue Turns blue Pink colour
C Remains blue Remains red Colourless

 

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