Q493
One property of ammonia is
A.
It is insoluble in water
B.
It is a odourless gas
C.
It is a yellowish gas
D.
Its aqueous solution turns red litmus blue
AnswerAnswer: Option D
Solution
Answer: Option D
Solution:
The main use of litmus is to test whether a solution is acidic or basic. For instance, ammonia gas, which is alkaline, colours the red litmus paper blue.