Activity 6.4:
Aim: To separate a mixture using filtration method
Materials and apparatus: Sand, distilled water, filter paper, filter funnel, two 50 ml beakers, spatula, glass rod, retort stand with clamp.
Instruction
1. Add two spatulas of sand to 30 ml of water in a beaker.
2. Stir the mixture of sand and water for two minutes.
3. Filter the mixture (Figure 6.20).
4. Record your observation.
Questions
1. What are the states of matter of sand and water?
2. Can the sand be separated physically from water?
3. Name the residue and filtrate in this activity.
Answer:
1. Sand – solid, water – liquid
2. Yes
3. Residue – sand, filtrate – water
Aim: To separate a mixture using filtration method
Materials and apparatus: Sand, distilled water, filter paper, filter funnel, two 50 ml beakers, spatula, glass rod, retort stand with clamp.
Instruction
1. Add two spatulas of sand to 30 ml of water in a beaker.
2. Stir the mixture of sand and water for two minutes.
3. Filter the mixture (Figure 6.20).
4. Record your observation.
Questions
1. What are the states of matter of sand and water?
2. Can the sand be separated physically from water?
3. Name the residue and filtrate in this activity.
Answer:
1. Sand – solid, water – liquid
2. Yes
3. Residue – sand, filtrate – water