Separation Techniques

What separation technique is used to separate two immiscible liquids like kerosene-water mixture?

• Handpicking

• Evaporation

• Use of separatory funnel

• Filtration

Magdalena wants to separate the salt crystals from salt solution, what separation technique is best used for the set-up?

• Fractional distillation

• Simple distillation

• Filtration

• Evaporation

Mr. Bae wants to determine the phytochemical properties of Balacat tree (Zizyphus talanai), Kamias tree (Averrhoa bilimbi) and Mango tree (Mangifera indica). What separation technique is best applied for his experiment?

• Centrifugation

• Chromatography

• Adsorption

• Soxhlet extraction

What separation technique is used by adding an immiscible solvent to a mixture to extract or separate solute or sample from any contaminants like in the case of methylene chloride and water?

• Chromatography

• Evaporation

• Filtration

• Extraction

Mrs. Lazada task her students to collect iron fillings in the sand and study their physical properties in her Physics class. What separation technique should be used to collect iron fillings from the sand?

• Filtration

• Simple distillation

• Adsorption

• Magnetism

What technique is used for separating insoluble smaller solids from a liquid like in the case of diagnostic for blood and urine sample?

• Filtration

• Evaporation

• Decantation

• Centrifugation

Mr. Santos wants to separate the Rivets that were accidentally thrown in dipper with water. What separation technique should he used for his problem?

• Adsorption

• Decantation

• Centrifugation

• Distillation

What is the retention factor if the migration distance of the substance is 144.0 cm and migration distance of solvent front is 12.0 cm?

• 4.0

• 0.96

• 10.0

• 12.0

What method is best used for separating two miscible liquids with enough difference in boiling points (greater than 70⁰C) like in the case of acetone-water mixture?

• Simple distillation

• Fractional distillation

• Evaporation

• Use of separatory funnel

What method is used to separate residue in rice grains by means of throwing in the air?

• Sieving

• Sifting

• Winnowing

• Decantation