Ammonia is a brown coloured, pungent-smelling gas which turns moist blue litmus paper into the red colour.

The correct option is A

False

The statement which says that "Ammonia is a brown coloured, pungent-smelling gas which turns moist blue litmus paper into the red colour." is a false statement. First, ammonia is a colourless gas with a pungent-smell. Second, since it is basic in nature it turns moist red litmus paper into blue and not the other way around. . Other properties of this gas are that it is highly soluble in water and is lighter than air.

So the correct statement for the statement given to us is "Ammonia is a colourless, pungent-smelling gas which turns moist red litmus paper into the blue colour."