Activity 6.7:
Aim: To separate a mixture using sedimentation method
Materials and apparatus: Silty solution, two 100 ml beakers, glass rod
Instruction
1. Pour 50 ml of silty solution into a 100 ml beaker.
2. Stir the silty solution by using a glass rod. (Figure 6.24 (a)).
3. Observe the water and silt after a while.
4. Slowly, pour the clear water from the beaker into an empty beaker (Figure 6.24(b)).
5. Observe the sediment left inside the beaker.
Questions
1. Which substance is left inside the beaker?
2. Can water and sand be separated physically?
Answer:
1. Silt
2. Yes
Aim: To separate a mixture using sedimentation method
Materials and apparatus: Silty solution, two 100 ml beakers, glass rod
Instruction
1. Pour 50 ml of silty solution into a 100 ml beaker.
2. Stir the silty solution by using a glass rod. (Figure 6.24 (a)).
3. Observe the water and silt after a while.
4. Slowly, pour the clear water from the beaker into an empty beaker (Figure 6.24(b)).
5. Observe the sediment left inside the beaker.
Questions
1. Which substance is left inside the beaker?
2. Can water and sand be separated physically?
Answer:
1. Silt
2. Yes