What is the change in colour observed when turmeric is added to a base?
Turmeric is a natural indicator. It is yellow in colour. It turns reddish when mixed with a basic solution.
What is the colour change observed in dil. HCl solution when phenolphthalein is added to it?
If a drop of ammonia solution is added to turmeric paste, the colour of paste will change to:
In the fountain experiment, what is the colour change observed when colourless phenolphthalein solution is added to a flask containing ammonia?