Topics: Chromatography, Mixture, Gas chromatography Pages: 4 (684 words) Published: March 1, 2012
Direction: Read the article below. Answer the questions beside the article by checking the number of the sentence where you can find the answer. Then, write the specific answer on the space provided for. Good luck!!!

(By: Mayflor Markusic)
KALIKASAN: Everyday Science in Action
Volume 4 No. 1; pages 22-24

a) What is chromatography?



b) Give examples of mixtures which can be separated through chromatography.

c) How is chromatography done?


1)Chromatography is the name of the group of techniques that can be used to separate the components of mixtures. 2)Chromatography could not separate the components of mixtures. 3)Chromatography could not separate all mixtures but it can separate many different types of mixtures. 4)Solid, liquid and gaseous mixtures can be separated by chromatography. 5)Scientists have invented many different procedures of chromatography. 6)Some of these are gas chromatography, ion – exchange chromatography and adsorptive chromatography. e) What are the two parts of structures in chromatography?

d) The first thing that is common among all chromatographic procedures.

7)Fortunately, all the different procedures of chromatography have two major things in common. 8)The first thing that is common among all chromatographic procedures is the structure of the laboratory set – up. 9)The structures will always have two parts. 10)These are the mobile phase and stationary phase.

g) Why is solvent important in the mixtures?
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