GCSE Chemistry OCR A J248

C4.2: Identifying the products of chemical reactions

#C4.2a

describe tests to identify selected gases

oxygen, hydrogen, carbon dioxide and chlorine

#C4.2b

describe tests to identify aqueous cations and aqueous anions

*calcium, copper, iron (II), iron (III) and zinc using sodium hydroxide; carbonates and sulfates using aqueous barium chloride followed by hydrochloric acid; chloride, bromide and iodide using silver nitrate *

#C4.2c

describe how to perform a flame test

#C4.2d

identify species from test results

#C4.2e

interpret flame tests to identify metal ions

the ions of lithium, sodium, potassium, calcium and copper

#C4.2f

describe the advantages of instrumental methods of analysis

sensitivity, accuracy and speed

#C4.2g

interpret an instrumental result given appropriate data in chart or tabular form, when accompanied by a reference set of data in the same form

the features of a mass spectroscopy chart

C4.1
Predicting chemical reactions
C5.1
Monitoring chemical reactions