11. Which one of the following group of gases contributes to the 'Green House Effect'?
12. Black lung disease occurs in people working in
13. The least preferred technique in the disposal of Municipal Solid Waste is
14. Which one of the following was used as a chemical weapon in the first world war ?
15. The depletion of ozone layer is due to
16. Ozone depletion in the atmosphere is mainly caused by
17. Ozone depletion in the stratosphere is mainly caused by
18. Which of the following is not a gaseous air pollutant?
19. Which of the following is ozone depleting pesticide ?
20. Threshold limit value of copper in the atmospheric air is
Read More Section(Chemistry)
Each Section contains maximum 100 MCQs question on Chemistry. To get more questions visit other sections.