GCSE Separation Techni quiz

What is the procedure to separate copper powder from a mixture containing copper and zinc powders?

• Fractional distillation

• Chromatography

• Crystallisation

• Filtration

Which technique is most suitable to separate water from sea-water?

• Diffusion

• Simple distillation

• Filtration

• Fractional distillation

What is the definition of a hydrocarbon?

• A compound with carbon and oxygen atoms

• A compound with sulfur and hydrogen atoms

• A compound with nitrogen and oxygen atoms

• A compound with hydrogen and carbon atoms

Which technique is used to separate butane from a mixture of propane and butane?

• Fractional distillation

• Diffusion

• Simple distillation

• Crystallisation

How are crystals of sodium sulphate-10-water obtained?

• Filtration

• Evaporation

• Fractional distillation

• Chromatography

What is the explanation for separating nitrogen from a mixture of nitrogen and oxygen?

• Density difference

• Magnetic properties

• Boiling point difference

• Solubility difference

Which technique is most suitable to separate methane from a mixture of methane and ethane?

• Evaporation

• Chromatography

• Diffusion

• Filtration

What is the use of the lubricating fraction obtained from petroleum?

• Plastics

• Lubricants

• Road construction

• Fuel

How would you obtain a pure sample of copper(II) sulfate-5-water crystals from a mixture of copper(II) sulfate-5-water with copper(II) oxide?

• Crystallisation

• Chromatography

• Filtration

• Diffusion

Which technique is used to separate glucose from a mixture of glucose and maltose?

• Chromatography

• Filtration

• Diffusion

• Crystallisation