14.20. For your agricultural field or garden you have developed a compost producing pit. Discuss the process in the light of bad odour, flies and recycling of wastes for a good produce.
14.18. A large number of fish are suddenly found floating dead on a lake. There is no evidence of toxic dumping but you find an abundance of phytoplankton. Suggest a reason for the fish kill.
14.17. What would have happened if the greenhouse gases were totally missing in the earth’s atmosphere? Discuss.
Green chemistry deals with the producing chemicals of our daily need .It means producing chemical by using chemical processes which niether use nor emits toxic chemicals in atmosphere .The solvent water is preferred compound to other organic solvent for the reaction.
14.14. Do you observe any soil pollution in your neighbourhood? What efforts will you make for controlling the soil pollution?
14.12. Have you ever observed any water pollution in your area? What measures would you suggest to control it?