Flashcards
Analysing Paper Chromatography
Flashcards do conjunto (7)
- 1What is Chromatography?an analytical method of separating substances from a mixture
- 2All types of chromatography have two phases, what are they?mobile phase
stationary phase - 3How are substance separated?based on how long they spend in mobile or stationary phase
- 4How can purity be tested using chromatography?only one spot would form regardless of the solvent
- 5What is the Rf value?distance travelled by A
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distance travelled by B - 6How can Rf values be used to identify the compounds of a mixture?compare the Rf values with a reference compound
- 7What is the Rf value dependent on?the solvent
Informações
- Descrição
- GCSE Chemistry (Paper 2) FlashCards sobre Analysing Paper Chromatography, criado por Daeva M em 29-04-2018.
- Criado por
- Daeva M
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