1) Chromatography is a technique for a) purification of metals from ores or compounds b) chemical reaction happens if you mix together an acid and a base. c) condition caused by the loss of too much fluid from the body d) identifying unknown compounds e) the red or orange coating that forms on the surface of iron when exposed to air and moisture 2) What is solvent moving through the column? a) Mobile phase b) Stationary phase c) Eluent d) Eluate 3) These are the types of chromatography except a) Gas chromatography. b) Thin-layer chromatography. c) Ion-exchange chromatography. d) Affinity chromatography e) Iron chromatography 4) Those applications of Chromatography in Daily life or Industrial except a) Vaccine Manufacturing b) Drug Manufacturing c) Forensic Testing d) Food Testing e) Environmental Monitoring f) Making photographic films. 5) The number of plates of efficiency is calculated by using the formula? a) 𝟏𝟔(𝒕𝑹/𝑾𝒃 )^𝟐 b) (𝒕𝑹 − 𝒕𝑴)/𝒕𝑴 = (𝒕𝑹^′)/𝒕𝑴 c) 𝑳/𝑵 d) (𝒕^′𝑹𝑩)/(𝒕^′𝑹𝑨 ) = 𝒌𝑩/𝒌𝑨

CHROMATOGRAPHY

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