GCSE Chemistry OCR B J258

C8.PAG: Practical skills

#C8.PAG.1

Reactivity trend

Using displacement reactions to identify the reaction trend of Group 7 elements.

#C8.PAG.2

Electrolysis

Electrolysis of aqueous sodium chloride or aqueous copper sulfate solution testing for the gases produced.

#C8.PAG.3

Separation Techniques

Using chromatography to identify mixtures of dyes in a sample of an unknown composition.

#C8.PAG.4

Distillation

Distillation of a mixture,for example orange juice, cherry cola, hydrocarbons, inks.

#C8.PAG.5

Identification of species

Identification of an unknown compound using cation tests, anion tests and flame tests.

#C8.PAG.6

Titration

Titration of a strong acid and strong alkali to find the concentration of the acid using an appropriate pH indicator.

#C8.PAG.7

Production of salts

Production of pure dry sample of an insoluble and soluble salt.

#C8.PAG.8

Measuring rates of reaction

Investigation the effect of surface area, concentration and temperature on the rate of a chemical reaction.

C7.IaS4
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