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12 questions from this quiz
Separate & identify coloured chemicals
2 cm
Ink would dissolve in the solvent
About 1 cm deep
A pipette
Just above the solvent surface
A watch glass
When solvent is 1 cm from the top
The solvent front
The centre of each spot
Spot distanceSolvent distance\frac{\text{Spot distance}}{\text{Solvent distance}}Solvent distanceSpot distance
The different chemicals in the ink
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