State your observation for the following cases :
Paper soaked in potassium permanganate solution is introduced into a as jar of sulphur dioxide.

State your observation - i] A piece of moist blue litmus paper ii] paper soaked in potassium permanganate solution - is introduced in each case into a jar of sulphur dioxide.

State your observation for the following cases : Dry red rose petals are placed in the jar of sulphur dioxide.

State one observation for the following : A zinc granule is added to copper sulphate solution.

State your observation for the following cases : Moist blue litmus is introduced into a gas jar of sulphur dioxide.

State your observation in the following case : When moist starch iodide paper is introduced into chlorine gas.

State your observation in the following case: When excess sodium hydroxide is added to calcium nitrate solution.

State your observation from the following: Barium chloride solution is mixed with zinc sulphate solution.

State your observation for the following cases : Ammonia gas is burnt in an atmosphere of oxygen in the absence of a catalyst.

State your observation from the following: When ammonium hydroxide solution is added to Iron (II) sulphate solution

State your observations in each of the following: Lead nitrate solution is added to dilute hydrochloric acid.