Khyber Pakhtunkhwa Board > 12th > Chemistry (Total Videos: 291)

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Chapter 23: Environmental Chemistry (9 videos)  (Practice Test)
23.1: Chemistry of Troposphere  (Practice Test)
  1. Carbon Monoxide as Pollutant
  2. Smog as Pollutant
  3. Role of Chlorofluorocarbons in Destroying Ozone
  4. Acid Rain
  5. Depletion of Ozone
  6. Ozone Depletion due to Oxides of Nitrogen and Sulphur
  7. Effect of Ozone Depletion
23.2: Chemistry of the Stratosphere  (Practice Test)
  1. Stratosphere
  2. Depletion of Ozone
23.3: Water Pollution and Water Treatment
  1. (No vidoes available yet. Still under development.)
23.4: Green Chemistry
  1. (No vidoes available yet. Still under development.)
 

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