Solution, paper chromatography and light

The physical separation of mixtures into individual components is..

• chromatography
• opacity 
• latent
• trace evidence 

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

• compound
• mixture
• keratin
• chromatography

Ink can be separated by a method of -----------------------------------------------

• distillation

• filtration

• chromatography

• sedimentation

On the chromatogram given -------------- is mixture.

• red
• orange
• green
• black

A pure substance shows ------------------ spot on chromat gram

• 0
• 1
• 2
• 3

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

What is the correct image of paper chromatography???

• 
• 
• 

Which substance is SOLUBLE in water?

• sand
• oil
• salt (sodium chloride)
• sulfur

Which plant species has plant pigments most similar to those in A?

• B
• C
• D

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

• color

• fat

• water