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  1. One property of ammonia is

  2. 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

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    Answer : Option D

    Explanation :

    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.


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