Air & Water Pollution — Set 3
Environment · वायु और जल प्रदूषण · Questions 21–30 of 70
What is the recommended maximum permissible level of nitrates in drinking water according to WHO?
Which atmospheric condition traps air pollutants near the ground, especially in winter?
Which pollutant is primarily responsible for 'Black Lung Disease' in coal miners?
Which water treatment method uses microbes to break down organic pollutants?
Which fuel is generally considered the 'cleanest' fossil fuel in terms of air pollution?
What is the primary pollutant released from old refrigerators and air conditioners that damages the ozone layer?
Which pollution causes 'Fly Ash' to be released into the environment?
Which acid is formed when Carbon dioxide dissolves in ocean water, affecting coral reefs?
Which of the following is a non-point source of water pollution?
Which chemical is often used for the 'Disinfection' of drinking water to kill harmful bacteria?