explain chromotography
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Chromatography is defined as the separation of a liquid mixture by passing it through a material through which some parts of the mixture travel further than others.
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chromatography is one of the most powerful tools in analytical chemistry and is one of the most commonly found instruments in the laboratory . in this technique the mobile phase is a liquid.
ACTIVITY TO SHOW CHROMATOGRAPHY :
AIM: To show chromatography
APPARATUS:
paper towels
clothespin or magnet
pipe cleaner
table spoon
water soluble markers
coffee filters
clear cup
water
pencil
PROCEDURE:
➡Take a coffee filter and mark a line two inches from the bottom.
➡ Fold the coffee filter into half.
➡ Decorate above the mark with markers.
➡ Pour two table spoons of water into the cup.
➡ Fold the coffee filter in half twice and put it in the cup.
OBSERVATIONS:
➡ The colour will travel upwards on the filter.
➡ Take the filter out unfold and let it dry.
RESULT:
➡ Chromatography can be observed.
