Question

Fill the following table of results of reactions between some substances (acids, bases, neutral substances) and indicators.

Indicator Substance	Litmus blue paper	Litmus Red paper	Methyl orange Indicator	Phenolphthalein solution
HCl		No reaction
NaOH			Turned into yellow
Tomato juice				No reaction
Soap water		Turns blue

Answer 1

Indicator Substance	Litmus blue paper	Litmus Red paper	Methyl orange Indicator	Phenolphthalein solution
HCl	turns red	No reaction	turns into red	colourless
NaOH	no reaction	turns blue	Turned into yellow	turned into pink
Tomato juice	turns red	no reaction	turned into red	colourless
Soap water	no reaction	turns blue	turned into yellow	turned into pink