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12 questions from this quiz
Separating & identifying coloured chemicals
Ink would dissolve in the solvent
2 cm
About 1 cm deep
Just above the solvent surface
A watch glass
When solvent is 1 cm from top of paper
The solvent front
Centre of each spot
Distance by spotDistance by solvent\frac{\text{Distance by spot}}{\text{Distance by solvent}}Distance by solventDistance by spot
Identify different chemicals in ink
It would dissolve before separating
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