A price of red litmus paper turns blue when it dipped into a frehly prepared aqueous solution of .

A blue litmus turns red when it reacts with

There is no change in the colour of red litmus and blue litmus paper when introduced into an aqueous solution of sodium chloride. After passing direct current through the same solution, red litmus changes to blue colour. Which product is responsible for this change ? Mention any two uses of this product.

The blue litmus is turned red by an aqueous solution of

Blue litmus turns red in

What colour change does a blue or red litmus paper exhibit when it is put separately in each of the following aqueous solutions ? NH_(4)Cl .

What colour change does a blue or red litmus paper exhibit when it is put separately in each of the following aqueous solutions ? CH_(3)COONa .