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 : Paper soaked in potassium permanganate solution is introduced into a as jar of sulphur dioxide.

State what you observe when a piece of moist blue litmus paper is placed in a gas jar of chlorine.

State your observation: When moist starch iodide paper is introduced into chlorine gas.

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 each of the following cases: At the cathode when acidified aqueous copper sulphate solution is electrolyzed with copper electrodes.

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

Give balanced chemical equation for the following reaction: (i) Potassium iodide is treated with acidified potassium permanganate solution. (ii) Sodium dichromate with calculate amount of potassium chloride. (iii) Sulphur dioxide treated with acidified potassium permanganate.

What will happen ?(Also write the chemical equations). (a)When a filter paper moistened with potassium iodate and starch solution is brought in contact with sulphur dioxide gas. (b)When H_(2)S gas is made to react with sodium tetrahydroxidoplumbate (II) solution.

State your observation in each of the following cases : (i) When dilute hydrochloric acid is added to sodium carbonate crystals.