More cards in this set

How do you work out the Rf value?

Why do you draw the line near the bottom of the paper using a pencil?

The amount of time the molecules spend in each phase depends on what?

If the chemicals in your mixture are colourless (e.g. amino acids), what do you do?

What is the Rf value?

Where do we get our water from?

Through what processes is water purified?

How does filtration purify water?

How does sedimentation purify water?

How does chlorination purify water?