C1.4 - Chromatography

Two or more substances that are mixed together but not chemically combined describes a ___?

• compound

• mixture

• keratin

• chromatography

Two or more substances that are chemically combined describes a ___?

• compound

• mixture

• solvent

• solute

What is chromatography?

• A way to see pretty colors

• A laboratory technique used to separate a mixture.

• A form of distillation

What is the correct image of paper chromatography???

• 
• 
• 

Chromatography separates a mixture of dyes based on how ___ they are.

• dense

• soluble

• pretty

• warm

A substance is soluble if it can be dissolved.

In paper chromatography, the most soluble solute _____________________ .

• does not move from the start point

• stays closest to the start point

• travels furthest away from the start point

• can be found in the middle of the chromatogram

Which of the following is correct about chromatography?

• It separates solutes that dissolve in the same solvent.

• It separates solutes that dissolve in different solvents.

• It separates a solute that dissolves in a solid solvent.

• It separates gaseous solutes from liquid solvents.

What molecules move up the paper to carry the different colors of ink?

• color

• fat

• water

Which colour is the most soluble?

• Blue

• Green

• Yellow

How many spots will show on a chromatogram of a pure substance?

• 0

• 1

• 2

• 3