General Knowledge :: Chemistry
- The resources which can be used continuously, year-after-year are called
- The highest volume of gases in lower atmosphere is comprised of
- What is the maximum Water Vapour content in the atmosphere?
- Which of the process is known as nitrification?
- Ozone saves the biosphere by absorbing high energy radiations called ________ .
- Which one of the following is not a cause for present global warming and climate change ?