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GCSE Chemistry (combined Higher) > Paper 1: Paper Chromotography > Flashcards

Paper 1: Paper Chromotography Flashcards

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1
Q

What is the stationary phase in chromatography?

A

A substance that does not move

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2
Q

What is a mobile phase in chromatography?

A

A substance that moves through the stationary phase (the solvent)

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3
Q

How do you work out the Rf values?

A

Distance travelled by spot / distance travelled by solvent

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4
Q

What can you use chromatography for?

A

Distinguish between pure and impure substances
Identify a substance by comparing its pattern of spots with those of known substance
Identify substances using Rf values

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GCSE Chemistry (combined Higher) (38 decks)

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