To verify the law of conservation of mass in a chemicl reaction four students A,B,C and D perfored the following chemicla reactions in the schoold laboratory. Added zinc granules to dil hydorchlorica acid (b) heated lead nitrate (solid) in a test tube (c ) dipped mg ribbon in copper suphate solution (d) added barium chloride solution to sodium suphate solution . Which student according to you islikely to obtain the best results and why?

To verify the law of conservation of mass in a chemicl reaction four s

1.	To verify the law of conservation of mass in a chemicl reaction four students A,B,C and D perfored the following chemicla reactions in the schoold laboratory. Added zinc granules to dil hydorchlorica acid (b) heated lead nitrate (solid) in a test tube (c ) dipped mg ribbon in copper suphate solution (d) added barium chloride solution to sodium suphate solution . Which student according to you islikely to obtain the best results and why?
Answer» SOLUTION : student (D) is likely to obtain the best RESULT because the reaction is completed immediately and a white PRECIPITATE is FORMED