In order to determine acidic, basic or neutral character of solutions, a student tabulated the following results after experimentation. Which of the following observations has been tabulated correctly?
|
Case |
Test Solution |
Colour change on red litmus paper |
Colour change on blue litmus paper |
Acidic/Basic/Neutral |
|
A |
NaCl |
No change |
Red |
Acidic |
|
B |
Lime water |
Blue |
No change |
Neutral |
|
C |
Vinegar |
No change |
No change |
Neutral |
|
D |
Washing soda |
Blue |
No change |
Basic |
1
A
2
B
3
C
4
D