What happens when?
a) Phenolphthalein is added to a solution of calcium hydroxide
b) Red cabbage is added to a solution of sodium chloride
c) China rose paper is added to a solution of distilled water
d) Turmeric is added to a solution of sodium hydroxide
a) Since calcium hydroxide is a base, so when the phenolphthalein was added to the solution, it turned the solution pink.
b) No color change will take place as sodium chloride is a neutral salt.
c) No color change will take place as distilled water is neutral by nature.
d) Turmeric powder is yellow in color and it turns reedish when treated with a basic solution. Hence here the turmeric will turn reddish as sodium hydroxide is a base.