2.11 (PS) Qz Rv 2024

Two layers form before the first purification because the layers have______

• The same densities

• Different amounts of gas

• Different densities

• The same amounts of gas

A condenser is used to ______

• Heat a liquid to boil

• Separate evaporated gas

• Purify water

• Cool the evaporated gas

Tags

NGSS.MS-PS3-3

Distillation works by_____

• Separating liquids through different boiling points

• Separating solids through different densities

• Separating liquids through different melting points

• Separating liquids through magnetism

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

When the gas passes through the condenser the molecules______

• Come closer together

• Move farther apart

• Stay the same

• Retreat backwards

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS3-5

It is important to have the initial liquid in distillation stirred because________

• It allows evaporation to occur slower

• It could burn if the liquid stays still

• It causes liquids to heat faster

• It causes solids to distill slower

Tags

NGSS.MS-PS3-3

Distillation apparatus can be used to ________ a liquid from a solid

• Separate

• Mixture of liquids

• Higher boiling points

• Turns into a vapor

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

First, the mixture is heated (eg. using a bunsen burner)

• Mixture of liquids

• Evaporates

• Heated

• condenser

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

The liquid with the lowest boiling point_______

• evaporates

• turns into a liquid

Tags

NGSS.MS-PS1-4

When a liquid evaporates it ________

• Condenses

• Turns into a vapor

• Mixture of liquids

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

The Vapor is then _______

• Condenses

• Collected

• Cooled

Tags

NGSS.MS-PS1-4

NGSS.MS-ESS2-4