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10 questions from this quiz
1 cm above the bottom
Approximately 20 drops
Below the pencil line
Capillary tube
Distance by pigmentDistance by solvent\frac{\text{Distance by pigment}}{\text{Distance by solvent}}Distance by solventDistance by pigment
They travel further up the paper
More soluble or less affinity for paper
It is harmful by inhalation
Immediately after removing the paper
To concentrate the spot
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