EXERCISES
Jharkhand Board Chemistry Solutions for EXERCISES
Simple step-by-step solutions to EXERCISES questions of Environmental Chemistry from Chemistry Part II Textbook for Class XI. Also get 3D topic explainers, cheat sheets, and unlimited doubts solving on EMBIBE.
Questions from EXERCISES with Hints & Solutions
What do you mean by Biochemical Oxygen Demand (BOD)?
Do you observe any soil pollution in your neighbourhood? What efforts will you make for controlling the soil pollution?
What are pesticides and herbicides? Explain giving examples.
What do you mean by green chemistry? How will it help decrease environmental pollution?
What would have happened if the greenhouse gases were totally missing in the earth’s atmosphere? Discuss.
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.
How can domestic waste be used as manure?
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 good produce.
