chapter 7.  ELEMENTS OF GROUPS 16, 17 AND 18 class 12 chemistry textbook solution

    1. Select appropriate answers for the following.

    v. Ozone layer is depleted by
    A. NO

    B. NO2
    C. NO3

    D. N2O5

    Answer:- Ozone layer is depleted by NO

    Q1.4
    Q 1.5
    Q 1.6

    chapter 7.  ELEMENTS OF GROUPS 16, 17 AND 18 Textbook Solution page 163