SMBP 2.4 (2021)_ Unit 2: Separating Mixtures

Which of the following will be considered first to separate a mixture?

• Boiling and freezing points of each component

• Different properties of all components

• Type of the mixture

• Solubility of each component

Which of the following methods can be used to separate purple pigment from mangosteen peel?

• Crystalization

• Chromatography

• Steam distillation

• Solvent extraction

How can vegetable oil be separated from a mixture of water and vegetable oil?

• Distilling the mixture

• Pouring the oil out of the container

• Heating the mixture to let water evaporate

• Dissolving the mixture in a solvent and distilling to get the oil

Which of the following methods is incorrect?

• Separating camphor from a mixture of water and camphor by crystallization

• Extracting oil from a plant material by solvent extraction

• Separating yellow pigment from turmeric by steam distillation

• Separating different components of crude oil by fractional distillation

Which of the following substances can form crystals?

• Heterogeneous mixture

• Supersaturated solution

• Concentrated solution

• Dilute solution

Which of the following solutions can be separated by crystallization?

• Colored solution

• Solution in a small amount

• Solution whose components have largely different boiling points

• Solution made of a soluble solid

Which of the following methods is used in sugar manufacturing?

• Crystallization

• Fractional distillation

• Simple distillation

• Solvent extraction

Which of the following is the function of a condenser used in distillation?

• Changing the state of matter and increasing the temperature of components

• Changing the state of matter of components from liquid to gas

• Increasing the temperature and pressure of components to change their state of matter

• Changing the state of matter of components from gas to liquid

Which of the following liquids cannot be separated by steam distillation?

• Water-insoluble liquid

• Water-soluble liquid

• Volatile liquid

• Liquid with a low boiling point

Which of the following substances can be separated by simple distillation?

• Saline

• Mixture of sand and water

• Mixture of ethanol and water

• Solution of food coloring and water