What is the action of litmus on : (a) Dry ammonia gas (b) Solution of ammonia gas in water
(a) Dry ammonia gas has no action on litmus.
(b) Solution of ammonia gas in water turns red litmus blue.
Dry ammonia gas has no action on litmus paper but a solution of ammonia in water turns red litmus paper blue. Why is it so ?
(a) What is the action of red litmus on: (i) Dry ammonia gas (ii) Solution of ammonia gas in water
(b)State the observations when ammonium hydroxide is added to the aqueous solution of: (i) Ferrous sulphate (ii) Aluminium chloride.
What would you observe when :
(a) blue litmus is introduced into a solution of hydrogen chloride gas,
(b) red litmus paper is introduced into a solution of ammonia in water,
(c) red litmus paper is introduced in caustic soda solution?