Question

following samples were tested with pH paper sample
a) tomato juice
b)milk of magnesia.
The pH paper turned orange colour with corresponding value of 4 and with milk of magnesia it turned blue colour with value 10. mention their nature. which sample has higher concentrations of hydronium ion?​

Answer 1

Answer:

(a) Methyl orange: Methyl orange changes its colour to yellow when added to a base or an alkali.

(b) Litmus paper: Red litmus paper turns blue, whereas blue litmus paper remains blue in a base or an alkali.

(c) Red cabbage extract: Red cabbage extract turns greenish-yellow in basic solutions.