InterviewSolution
Saved Bookmarks
InterviewSolution
| 1. |
NCERT VIII - Sciences Explain the differences between pure air and polluted air. |
| Answer» R- It contains 78% of NITROGEN, 21% of OXYGEN and 0.03% of carbon dioxide and SEVERAL other gases are also present in the pure air. This air is called pure air.Pollute Air- The air in which addition pf harmful substances take place like nitrogen dioxide, sulphur dioxide, carbon monoxide etc. this air is said to be polluted and called Pollute air | |