Question

Its urgent friends please help me!!!
I will definitely marks as brainlist!! ......

Answer 1

for water
ph value =7.0
color produced=GREEN.
nature of sol= Neutral.

Dillute sodium hydroxide
ph value=11.6
color=indigo
nature=strong base


Lemon juice
ph value=2.5
color: thymol Red.
nature: strong acid.


dillute hydrochloric acid
ph=1.0
color= red.
nature= strong acid.


dillute sodium bicarbonate
ph=9.0
color=Blue
nature=weak base.


Hope it will help you