Acid rain

Air pollution

♦️ Acid rain

👉 Acid rain results when gaseous emission SOx & NOx interact with water vapour and sunlight and are chemically converted to strong acidic compounds (H2SO4 & HNO3) along with other organic and inorganic chemicals.

👉 If pH of rain **less than 5.6 is called acid rain

♦️ Global warming

🔸 The major green house gases

👉 Carbon dioxide :- 57%

👉 Methane :- 12%

👉 Nitrous oxide :- 6%

👉 Chlorofloro carbon (CFC) :- 25%

♦️ Ozone layer depletion

👉 Primary reason of ozone layer depletion is CFC