Question

What happens to the colour of methyl orange and phenolphthalein when in contact with
* lime water
*lime juice
*sodium carbonate
*copper sulphate
*sodium chloride

Answer 1

Substance	Methyl orange	Phenolphthalein
Lime water	Yellow colour	Pink
Lime juice	Red colour	colourless
Sodium carbonate	Yellow colour	Pink
Copper sulphate	Red colour	colourless
Sodium chloride	Colour of methyl orange that is orange	Colour of phenolphthalein that is colourless