18:30
Part-1. Important Short Questions in Environmental chemistry | ch#16 | 12th class chemistry
25:32
Part-2. Important Short Questions in Environmental chemistry | ch#16 | 12th class chemistry
22:53
L-1. Introduction to environmental chemistry || Components of environment || chapter 16 class 12
23:55
L-2. Components of environment (hydrosphere, lithosphere, biosphere || chapter 16 class 12
38:03
L-3. Environmental pollutants || Air pollution || primary and secondary pollutants | ch#16 class 12
17:27
L-4. Oxides of Nitrogen and sulphur | Sources of primary pollutants | ch-16 chemistry class 12
20:05
L-5. Acid Rain || definition, formation and effects of acid rain || chapter 16 class 12
25:18
L-6. Smog | formation, types and effects of smog || chemistry class 12 chapter 16
12:29
L-8.Ozone layer | harmful effects of ozone | effects of ozone depletion | chemistry class 12th ch#16
10:12
Sources of oxides of primary pollutants (Hydrocarbons) | chemistry class 12 chapter 16
23:53
L-9. Water pollution | livestock waste and oil spillage water pollution || chemistry class 12 ch#16
L-11. Water Pollution | industrial effluents & Leather industry | 2nd Year Chemistry | Chapter 16
29:19
L-10. Water Pollution | detergents & pesticides | 2nd Year Chemistry | Chapter 16
30:01
L-12. "Environmental Chemistry | Water Quality Analysis | DO, COD, BOD | 2nd Year Chemistry"
24:39
Solid waste management || leachate || chemistry 12 chapter 16
21:01
Treatment of industrial waste || Incinration of industrial waste || chemistry 12 chapter 16
38:42
Purification of water || Steps involved in purification of water || chemistry 12 chapter 16
19:53
Recycling of waste materials || Ways of recycling || chemistry class 12 chapter 16
14:05
Effects of chlorination of water || class 12 chapter 16
