II.2.3. Apply what you have learned at the methods of separating mixtures

📝 Homework

1. Lucian wants to separate a mixture of salt, sand and iron filings into three separate solids. He went through the following steps:

• He spread the mixture on a sheet of paper and ran a magnet over them.
• He put the rest of the mixture in a glass and added water.
• Filtered the water mixture.

Was Lucian able to separate the initial mixture into three solids when he completed these three steps? Explain your answer.

2. Daniela wants to separate a mixture of water and oil.

She uses the following installation:

a) Name the utensils used in this experiment.

b) What kind of mixture does water and oil form?

c) What liquid flowed into the glass after opening the tap? Explain the answer.