1
Q
lithium flame
A
crimson red
2
Q
sodium flame
A
yellow
3
Q
potassium flame
A
lilac
4
Q
calcium flame
A
orange- red
5
Q
copper flame
A
blue-green
6
Q
calcium precipitate
A
white
7
Q
copper precipitate
A
blue
8
Q
iron (II) precipitate
A
green
9
Q
iron (III) precipitate
A
orange- brown
10
Q
zinc precipitate
A
White at first
re dissolves into excess sodium hydroxide (NaOH)
forms a colourless solution
11
Q
instrumental methods of analysis
A
very sensitive and analyse small amounts
very accurate
carry out analysis quickly
chem
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