What happens when moist blue litmus paper is placed in a jar containing carbon dioxide?

Q.

What happens when :

(a) A lit splinter is introduced into a jar containing carbon dioxide?

(b) Moist blue litmus paper is placed in a jar containing carbon dioxide?

(c) Carbon dioxide is passed through lime water first in small amounts and the excess?

(d) A baking mixture containing baking powder is heated?

(e) A soda water bottle is opened?

Q. what would happen if moist blue litmus paper and moist red litmus paper are introduced in the jar of hydrogen

Q.

State your observation for the following cases:
(i) Moist blue litmus is introduced into a gas jar of sulphur dioxide.
(ii) Dry red rose petals are placed in the jar of sulphur dioxide.
(iii) Paper soaked in potassium permanganate solution is introduced into a gas jar of sulphur dioxide.

Q. In the presence of carbon dioxide gas, the colour of moist blue litmus paper turns to _____.

Q. Assertion :When a piece of moist red litmus paper is placed in a gas jar of ammonia it turns blue. Reason: The ammonia gas is basic in nature and this property converts the red litmus to blue.