Home
Class 7
CHEMISTRY
You are provided with three test tubes...

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 .

Text Solution

Verified by Experts

(a) - A - Changes to red ; B - Remains red ; C - Colourless
(b) - A - Remains blue ; B - Changes to blue ; C- Pink colour
(c) - A - Remains blue ; B - Remains blue ; C- Colourless
Promotional Banner

Topper's Solved these Questions

  • ACIDS , BASES AND SALTS

    NCERT EXEMPLAR|Exercise SHORT ANSWER QUESTIONS |8 Videos

  • FIBRE TO FABRIC

    NCERT EXEMPLAR|Exercise LONG ANSWER QUESTIONS|11 Videos

Similar Questions

Explore conceptually related problems

What change will you observe if you test soap with litmus paper (red and blue)?

What changes are observed when a soap solution is tested with a red and a blue litmus paper ?

You are provided with three test tubes A, B and C which contain distilled water, acidic solution and basic solution respectively. If you are given blue litmus paper only, how will you identify the contents of each test tube ?

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 .