Separation method practice_IG

What is the name of this separation technique?

• Simple distillation

• Fractional distillation

• Boiling

• Evaporation

What is the name of this separation technique?

• distillation

• filtration

• evaporation

• chromatography

Which ink is a mixture?

• Blue

• Red

• Yellow

• Black

Referring to the chromatogram, black ink contains

• Blue, red and yellow ink only

• Blue, red, yellow and green ink

• Blue and yellow ink

• Black ink only

During filtration, the solid that is trapped in the filter paper is called ..A.. and the liquid that has passed through the filter paper is called ..B..

• A: residue B: filtrate

• A: residue B: filterate

• A: filtrate B: residue

• A: filterate B: residue

Which one of the following is the name for separation technique in the picture below

• distillation
• dissolving
• evaporation
• decanting

Information about the solubility of four solids, P, Q, R and S, is given in the table.

A student attempted to separate mixtures of these solids using the following method.

1  Add the mixture to a beaker of water and stir.

2  Filter the mixture.

3  Crystallise one of the solids from the filtrate.

Which of the following mixtures could not be separated by this method?

• a mixture of P and R

• a mixture of Q and P

• a mixture of Q and R

• a mixture of R and S

A solid X is purified in five steps.

The first four steps of the purification are shown in the diagram.

In step 5, how is a pure sample of solid X obtained from mixture Y?

• dissolving

• distillation

• evaporating

• filtering

The diagram shows how muddy water can be purified.

Which process for purifying the muddy water is shown?

• crystallization

• distillation

• filtration

• solvent extraction

Which method should be used to separate a mixture of two liquids?

• crystallization

• electrolysis

• filtration

• fractional distillation