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

    2. Answer the following.

    iii. Name two gases which deplete ozone layer.

    Answer:-

    Nitrogen oxide (NO) and chlorofluorocarbons are two gases that deplete the ozone layer (freons).

    Q2.2
    Q 2.3
    Q 2.4

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