Skip to content / Đến nội dung
ThichHocToan.com

IMSO 2007 Taiwan Selection — Science First Round Question 12

IMSO Science · IMSO 2007 Taiwan Selection — Science First Round

Question 12

Sand and iron particles that are similar in size and color are mixed together in a beaker. What would be the best method of separating the particles?
  1. Use tweezers to separate them.
  2. Use a magnet to separate them.
  3. Add water to the mixture.
  4. Pour the mixture into a filter.