how will you separate dyes in black ink
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Put a small drop of ink at the centre of the line Let it dry lower the filter paper into a glass containing water so that the drop of ink on the paper is just above the water level and leave it undisturbed as the water rises on the filter paper it takes along with it thedye particles .
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take a filter paper stip
take one test tube filled with water not much
make a line on one edge if the filter paper just above 2cm and put a drop of black ink on line
then put that paper in the test tube with water.make sure that only a small part of paper should be in water and water should not touch the ink stain. after some tym u will notice different colours on the filter paper
take one test tube filled with water not much
make a line on one edge if the filter paper just above 2cm and put a drop of black ink on line
then put that paper in the test tube with water.make sure that only a small part of paper should be in water and water should not touch the ink stain. after some tym u will notice different colours on the filter paper
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