0505-W051(H) Chromatography

What is chromatography primarily used for?

• To measure temperature

• To separate and identify substances in a mixture

• To create chemical reactions

• To increase the speed of reactions

Which of the following substances can be separated using chromatography?

• Ink and dyes

• Air and nitrogen

• Salt and sugar

• Water and oil

What does a chromatogram represent?

• The separation of substances in a mixture

• The temperature of a substance

• The weight of a substance

• The color of a substance

What happens to the dyes in ink during chromatography?

• They evaporate

• They combine into one color

• They separate at different speeds

• They dissolve completely

What is the purpose of using water in the chromatography process described?

• To increase the pressure

• To dissolve the paper

• To act as a solvent for the dyes

• To cool the apparatus

What type of chromatography is mentioned in the textbook?

• Paper chromatography

• Liquid chromatography

• Column chromatography

• Gas chromatography

Why is chromatography useful in the production of COVID-19 vaccines?

• To increase the shelf life

• To measure the temperature

• To separate and identify substances

• To enhance the flavor

What can chromatography help identify in food?

• The texture

• The taste

• The nutrients

• The smell

What is one application of chromatography in airport security?

• To identify passengers

• To check for food quality

• To measure luggage weight

• To test for explosives

What is the main requirement for chromatography to work effectively?

• All substances must be solid

• All substances must be colored

• All substances must dissolve in one solvent

• All substances must be pure