G7 T2W3 remedial

To separate a mixture of salt and water what separation method is used?

• Filtration

• Distillation

• Chromatography

• Evaporation to dryness

What is the method suitable to obtain pure water from seawater.

• Simple distillation

• Fractional distillation

• Filtration

• Evaporation to dryness

Which one of the following is the name for separation technique in the picture below

• distillation
• dissolving
• evaporation
• decanting

Which one of the following is a disadvantage of evaporation?

• It always requires heat
• It cannot be used for insoluble solids
• All of the solute is recovered
• The solvent (liquid part) is not recovered

Evaporation is a process that removes a...

• solvent (liquid part of solution)
• solute (material that dissolves in the solvent)
• distillate (liquid collected after a solution is distilled)
• impurity

The drops of water that appear on the outside of a glass of cold water on a warm day are an example of?

• sublimation
• condensation
• evaporation

Name the separation method that causes wet clothes on a clothes line to dry

• Chromatography
• Filtration
• Distillation
• Evaporation

Which one of the following is a disadvantage of evaporation to dryness?

• It always requires heat

• It cannot be used for insoluble solids

• All of the solute is recovered

• The solvent (liquid part) is not recovered

During filtration, the liquid that has passed through the filter paper is called the __________

During filtration, the solid that is trapped in the filter paper is called the __________