Separation Methods Quiz

Which separation method is best to separate sand from water?

• Evaporation

• Filtration

• Magnetic separation

• Decantation

Which technique is used to separate a mixture of iron filings and salt?

• Filtration

• Hand picking

• Magnetic separation

• Evaporation

What principle is used in decantation?

• Size difference

• Shape of particles

• Difference in density

• Difference in boiling point

Which method is best for separating salt from saltwater?

• Filtration

• Decantation

• Evaporation

• Sieving

Which technique is used to separate grains from husk using wind?

• Sieving

• Winnowing

• Hand picking

• Filtration

Sieving is based on:

• Density of materials

• Size of particles

• Color of particles

• Magnetism

Which method separates muddy water into clear water and soil?

• Condensation

• Crystallization

• Sedimentation and decantation

• Sublimation

Which of these can be separated by hand picking?

• Salt and water

• Sugar and salt

• Stones from rice

• Sand and water

What happens to water during evaporation?

• It becomes ice

• It turns into steam

• It becomes a solid

• It forms salt

Which method is used to separate cream from milk?

• Condensation

• Churning

• Filtration

• Decantation