Question

Take a thin strip of filter paper.
• Draw a line on it using a pencil,
approximately 3 cm above the lower
edge [Fig. 2.8 (a)].
• Put a small drop of ink (water soluble,
that is, from a sketch pen or fountain
pen) at the centre of the line. Let it dry.
• Lower the filter paper into a jar/glass/
beaker/test tube containing water so
that the drop of ink on the paper is just
above the water level, as shown in Fig.
2.8(b) and leave it undisturbed.
• Watch carefully, as the water rises up
on the filter paper. Record your
observations. Name the technique used

Answer 1

Answer:

The technique called chromatography is used

Explanation:

The separation of a liquid mixture by passing it through a material through which some parts of the mixture travel further than others is called chromatography..

Hope it helps..

Please mark as brainliest answer if you are satisfied.

Thank you..