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.
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 |