Some reactions of $NO _2$ relevant to photochemical smog formation are
Identify $A , B , X$ and $Y$
AB is a part of an electrical circuit (see figure). The potential difference \(V_A - V_B\), at the instant when current \(i = 2\) A and is increasing at a rate of 1 amp/second is:
There is a number of factors that contribute to the pollution of the environment. Some of the major causes of atmospheric pollution are given below -