GRADE 9- SEPARATION TECHNIQUES

How a mixture of iron and copper fillings is be separated?

• magnetic separation

• crystallization

• Evaporation

• Distillation

How is Oil and water separated?

• distillation

• Separating funnel

• crystallization

• sublimation

Which of the following separation techniques is dependent on difference in volatility?

• Distillation

• Crystallization

• Magnetic separation

• Fractional distillation

Indicate the separate technique to separate a mixture of ammonium chloride and salt

• Distillation

• sublimation

• crystallization

• decantation

Choose the correct statement that describes centrifugation.

• It is used to speed up settling of solid

• It can be used to separate oil-water mixture

• It is used to separate homogeneous mixtures

• It is used to separate suspensions