ASSIGNMENT FOR CLASS XII

ASSIGNMENT FOR CLASS – XII : CHEMISTRY: Prepare a project report in not less than 25 pages in the following topics or any topic pertaining to class XI...

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ASSIGNMENT FOR CLASS – XII : CHEMISTRY: Prepare a project report in not less than 25 pages in the following topics or any topic pertaining to class XII chemistry syllabus. 1. Determination of caffeine content in various tea samples. 2. Analysis of alloys 3. Sterilization of water 4. Topics related with green chemistry 5. Preparation of soap and comparing its foaming capacities 6. Corrosion and influence of sea water on corrosion 7. Determination of TFM in soaps 8. Presence of pesticides and insecticides in fruits and vegetables. 9. Determination of hardness of water 10. Effect of phosphates present in detergents. 11. Study of rate of diffusion. 12. Preparation of dyes. 13. Study of adulterants in food samples 14. Study and preparation of natural indicators 15. Chromatography. Note: The project report should necessarily contain the following heads. a. Introduction b. Aim and objective c. Materials required d. Content / Procedure e. Result / Conclusion f. Bibliography