Question

Which of the following pairs of separation techniques will both separate sand from a mixture or salt and water?

a. decanting and filtration

b. decanting and distillation

c. distillation and evaporation

d. chromatography and evaporation

Answer 1

c. distillation and evaporation

Answer 2

(c).Sand from a mixture or salt and water are

"distillation and evaporation" pair of separation technique.

Explanation:

• Mixtures can be separated using a variety of techniques Chromatography involves solvent separation on a solid medium.
• Distillation takes advantage of differences in boiling points. Evaporation removes a liquid from a solution to leave a solid material.
• The similarity between evaporation, drying and distillation is that they all involve matter going from a liquid phase to a gas phase.
• In evaporation, this process can occurs at ambient temperature (below the boiling temperature of the liquid).