Key words for C3 (P1)

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Qualitative analysis is the investigation of the kind of substances that are in the sample.

Quantitative analysis is the measure of each substance in the sample.

An ionic compound is a compound which contains positive ions (cations) or negative ions (anions).

Flame test- Test used to identify the ion present. The unknown substance is heated, resulting in the colour of the flame changing.

Litmus paper can be used to identify for ammonium ions.

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