The answer to each of the following questions is a single digit integer, ranging from 0 to 9 . If the correct answers to the questino number A,B,C and D (say) are 4,0,9 and 2 respectively,then the correct darkening of bubbles should be as shown on the side. For the reaction involving oxidation of ammonia by oxygen to form nitric oxide and water vapour, the equilibrium constant has the units("bar")^(n). Then n is ……..

The answer to each of the following questions is a single digit intege

1.	The answer to each of the following questions is a single digit integer, ranging from 0 to 9 . If the correct answers to the questino number A,B,C and D (say) are 4,0,9 and 2 respectively,then the correct darkening of bubbles should be as shown on the side. For the reaction involving oxidation of ammonia by oxygen to form nitric oxide and water vapour, the equilibrium constant has the units("bar")^(n). Then n is ……..
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