Question

What are indicator?Name any three indicators and state the colour change which take place in (I) acids (ii) bases

Answer 1

Hey friend,
Here is your answer:

Indicators are substances that changes colour when brought in contact with a base or an acid.
Many natural substances like black current juice and red cabbage juice act as good indicators.
The most commonly used indicator is litmus which is extracted from lichens.

Some indicators are:

1. Blue litmus
It turns into red colour when its in contact with an acid.
It doesn't change its colour when its in contact with a base.

2. Red litmus
It doesn't change its colour when its in contact with an acid.
It turns into blue colour when it is in contact with a base.

3. Methyl orange
It has orange colour in acids.
It has yellow colour in bases.

4. Phenolphthalein
It is colourless in acids.
It turns pink in bases.

Hope it helps u.

Answer 2

Answer:

blue limes ,red limes