3) Add a small amount of Copper (II) sulfate (Ca1SO4) solid to the water. Make observation of solid before adding to water. |
3) Add a small amount of Copper (II) sulfate {Ca1(SO4)1} solid to the water. Make observation of solid before adding to water. |
5) Add 5 drops of the Barium chloride (Ba1Cl2) solution (after observing solution) to the test tube. Make observations. |
5) Add 5 drops of the Barium chloride {Ba1Cl2} solution (after observing solution) to the test tube. Make observations. |
7) Observe the sodium carbonate solution before adding 20 drops or more of this solution to the test tube. |
7) Observe the sodium carbonate {Na2(CO3)1} solution before adding 20 drops or more of this solution to the test tube. |