Scientific Search

Set 1 1. To separate sand and camphor in pure state from the given mixture of sand and camphor. 2. To separate sand and salt in pure and dry state from the given mixture of sand and salt. 3. To prepare common salt by treating acid with base. 4. To prepare crystal of copper sulphate from the given mixture of sand and copper sulphate. 5. To prepare barium sulphate by treating barium chloride with dilute sulphuric acid in pure state. 6. To separate sand and calcium carbonate in pure and dry state from the given mixture of sand and calcium carbonate. 7. To obtain pure water from supplied impure water by distillation process. 8. To cut, bend and round up of a glass tube in required angles. 9. To determine the equivalent weight of magnesium by hydrogen displacement method(weight of magnesium=0.02gm) 10. To determine the weight of magnesium by hydrogen displacement method. (equivalent weight of magnesium=12)
Set 2 11. To prepare hydrogen gas in lab and collect it to 12. To prepare carbon dioxide gas in lab and collect it to study its properties. 13. To prepare ammonia gas in lab and collect it to study its properties.
Set 3 14. To detect the acid radical (negative charge) present in the given salt sample by dry and wet way. 15. A1 16. A2 17. A3 18. A4 19. A5 20. A6 21. A7
Set 4 22. To detect the foreign element present in the organic compound. 23. E1 24. E2 25.