IIT JEE : Environmental Chemistry QUESTIONS AND ANSWERS :: part3 : 1 to 5
Following IIT JEE Entrance Multiple choice objective type questions and answers will help you in Maths, Physics and Chemistry 2024 examinations :
1.Which among the following is biodegradable pollutant? |
| Polythene |
| Asbestos |
| Sewage waste |
| Mercury. |
2.Water pollution is mainly due to which of the following ? |
| Sulphur dioxide |
| Carbon dioxide |
| Oxygen |
| Industrial effluents. |
3.COD refers to |
| Chmical oxygen demand |
| Chemistry of diamonds |
| Catalysed oxidation of diamond |
| Catalysed oxidation of dussilved salts. |
4.Spraying of DDT produces pollution of |
| Air |
| Air and water |
| Air and soil |
| Air, water and soil. |
More Environmental Chemistry QUESTIONS AND ANSWERS available in next pages
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