09:08
3.15 Half and Overall Eqns in Acid
10:48
3 17 Electrorefining and Electroplating
09:47
3 16 Electrolysis
11:27
3 19 Commercial Cells
10:44
Setting up the Normal Template in Word
10:42
Nick's Tips - Nexus - Results from surveys, quizzes and polls
00:32
Steel nails - Corrosion
04:32
Drawing a Graph
04:43
Drawing a Results table
00:37
Mixing in a test tube
03:39
Folding a filter paper
00:58
Measuring liquids
00:46
Lighting a Bunsen burner
00:34
Heating in a test tube
02:34
Variables
01:00
Working Scientifically Overview
00:34
Heating in a test tube
01:12
What is a hypothesis?
10:06
Formulae for salts
14:33
Reactions with acids
06:16
Oxidation number
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