Y10/2024CT/CHEM1/EOT

What is the purpose of filtration?

• To separate insoluble solids from liquids

• To separate soluble solids from liquids

• To separate gases from liquids

• To separate liquids from solids

Which technique uses a centrifuge?

• Evaporation

• Decantation

• Filtration

• Centrifugation

What is decantation primarily used for?

• Separating liquids from solids

• Separating gases from liquids

• Separating insoluble solids from liquids

• Separating soluble solids from liquids

Which method is used to recover soluble solute from its solvent?

• Filtration

• Decantation

• Evaporation

• Centrifugation

What is crystallization used for?

• To obtain pure crystals from a solution

• To separate insoluble solids from liquids

• To recover solvents from solutions

• To separate gases from liquids

Fractional crystallization is used to separate solutes based on what?

• Their densities

• Their solubilities at different temperatures

• Their boiling points

• Their color

What does distillation involve?

• Separating solids from liquids

• Vaporizing a liquid and condensing the vapor

• Cooling a solution to form crystals

• Using a filter to separate mixtures

What is the main use of fractional distillation?

• To recover pure crystals from solutions

• To analyze complex mixtures

• To separate insoluble solids from liquids

• To separate miscible liquids based on boiling points

What does a separating funnel do?

• Separates gases from liquids

• Separates immiscible liquids based on density

• Separates soluble solids from liquids

• Separates solids of different sizes

Which technique is used to separate solid particles of different sizes?

• Filtration

• Centrifugation

• Sieving

• Chromatography