Question

You are provided with test tubes A,B, C,as shown below:
What will you observe when you put:

a)A piece of blue litmus paper in each test tube.

b)A few drops of phenolphthale in each test tube.​

Answer 1

Answer:

Test tube Effect on blue litmus Effect on red litmus Effect on phenolphthalein

A Changes to red Remains red Colourless

B Remains blue Changes to blue Pink colour

C Remains blue Remains blue Colourless

Explanation:

See this then you can understand

How they are colours

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