Question

Suggest a suitable separation technique for obtaining colored components from blue ink. Explain the technique used with the help of an activity and diagram. Also state the principle involved in it.

Answer 1

Answer:

Paper Chromatography

Explanation:

Materials required:

• Filter Paper
• Ink
• Water
• Pencil

Procedure:

• Make a line on the filter paper with a pencil near 1/4th length.
• Drop ink on this line.
• Fill half a beaker/container with water.
• Place the filter paper in the water, making sure that the line doesn't touch the water.
• Observe

Principle Involved:

Capillary Action

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Answer 2

Explanation:

Chromatography is used to separate coloured components from blue ink.

You need a filter paper and ink and some water.

Put the ink on filter paper and dip it in water. You will see that different coloured components are separating out.

Principle of this method is that highly soluble component will come upward and less soluble remain bottom ( come in ascending according to their solubility in water).