Pure Substances and Mixtures

Which of the following pairs of substances may best be separated through distillation

•  sand and soil
• water and soil
• salt and sand
•  water and alcohol

Tags

NGSS.MS-PS1-4

NGSS.MS-PS1-2

Name the method of separation

• Fractional distillation

• Chromatography

• Filtration

• Evaporation

Separating mixtures based on boiling points.

• Desalination

• Distillation

• Filtration

• Chromatography

This diagram represents...

• An element

• A molecule

• A compound

• A mixture of elements and compounds

Tags

NGSS.MS-PS1-1

• element
• compound
• mixture of elements and compounds
• mixture of compounds

Tags

NGSS.MS-PS1-1

• element
• compound
• mixture of elements
• mixture of compounds

Tags

NGSS.MS-PS1-1

Evaporation can be used to seperate...

• a solid from a liquid

• two solids from each other

• two gasses from each other

• a gas from a solid

What is the process of separating at which the components move at different rates?

• evaporation

• chromatography

• heating

• filtration

Separating particles based on size.

• chromatography
• decantation
• distillation
• Filtration

What is an example of a chemical separation?

• chromatography
• electrolysis
• centrifugation
• All!