Question

classmate
Date
Page
Que : You are provided with three test tubes
A,B and C
* Test Tube A contains solution of tarta
- ric acid.
* Test Tube B contains soap solution
* Test Tube C contains pure water.
what will you observe when you put :-
c) A piece of red litmus paper in each
test tube.
5) A piece of blue litmus paper in each
test tube.
v) A drop of phenolphthalein en each
test tube.​

Answer 1

Answer:

1) Red Litmus paper:

A- No change

B- Red turns Blue

C- No change

2) Blue Litmus paper:

A- Blue turns Red

B- No change

C- No change

3) Phenolphthalein:

A- Phenolphthalein colourless

B- Phenolphthalein colourless

C- Phenolphthalein turns Pink