Choose a Separation Method from Properties - Practice 1

Choose from the stated properties of a mixture.

All worksheets

5 questions0m 0s

Learn the skill

Choose from the stated properties of a mixture. A filter can retain insoluble particles larger than its pores but does not ordinarily remove dissolved salt. These are paper questions; do not heat or handle unknown samples.

Worked example

A suitable filter can retain sand while liquid water passes. Dissolved salt remains with that water.

Would you believe it?

Not every metal is strongly attracted to an ordinary magnet. A shiny surface alone is not a reliable magnet test.

Question 1 Paper model: iron pieces and sand; the iron is magnetically attracted. use a magnet dissolve everything in light use a clock

Question 2 Paper model: large pebbles and much smaller dry sand grains. use a clock use a thermometer use a suitable sieve

Question 3 Paper model: insoluble sand particles in water, larger than the filter pores. count calendar days use a suitable filter use sound alone

Question 4 Paper model: dissolved salt in water; the goal is salt left after water leaves as vapor. evaporate the water use an ordinary particle filter alone use a magnet

Question 5 Paper model: different visible beads large enough to pick apart. evaporate the beads use a thermometer sort them by hand

Review your work

0correct

Complete the questions to review each answer.

View dashboard