Look at Figure 5.1 which shows solutions taken in test tubes A,B,C and D. What colour is expected when a piece of red litmus paper is dropped in each test tube? Nature of the solutions is given in the table for your help.

Test Tube |
Nature of Solution |
Change in colour of red litmus |
A |
Neutral |
|
B |
Basic |
|
C |
Acidic |
|
D |
Neutral |
|