What do you observe when
(a) an acid is added to a basic solution.
(b) ammonium chloride is dissolved in water.
What do you observe when barium chloride solution is added to dilute sulphuric acid?
(a) dilute sulphuric acid is added to granulated zinc ?
(b) a few pieces of iron are dropped in a blute solution of sodium chloride ?
(c) silver nitrate is added to a solution to a of sodium chloride ?
(d) ferrous sulphate solution is added to an aqueous solution of sodium hydroxide.
(e) solid lead nitrate is heated ?
(f) when dilute sulphuric acid is added to barium chloride solution ?