Chemistry Investigatory Project Topics For Class 12 [exclusive] – Confirmed & Official

Study of the Effect of Metal Ions (CuSO₄ and FeSO₄) on the Rate of Photosynthesis in Hydrilla Plant

| S.No. | Experimental Condition | Number of Bubbles in 5 mins (Trial 1) | Number of Bubbles in 5 mins (Trial 2) | Number of Bubbles in 5 mins (Trial 3) | Average Bubbles/min | | :--- | :--- | :---: | :---: | :---: | :---: | | 1 | (Distilled Water + NaHCO₃) | 45 | 48 | 47 | 9.3 | | 2 | With FeSO₄ (Iron Ion) | 50 | 52 | 51 | 10.2 | | 3 | With CuSO₄ (Copper Ion) | 12 | 10 | 11 | 2.2 | chemistry investigatory project topics for class 12