Leaf Chromatography

Leaf Chromatography

Assessment

Interactive Video

Science, Biology, Physics, Chemistry

6th - 12th Grade

Hard

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The video tutorial explains the presence of hidden pigments in plants and how chromatography can be used to reveal them. It details the materials and steps required to perform chromatography on Beech leaves, including grinding the leaves with sand and propanone, applying the mixture to chromatography paper, and using a solvent to separate the pigments. The process reveals different pigments, such as chlorophyll and xanthophil. The video also highlights the applications of chromatography in forensic science and the food industry.

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7 questions

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1.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the purpose of chromatography in the context of plant pigments?

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2.

OPEN ENDED QUESTION

3 mins • 1 pt

Describe the process of preparing the green mixture from a Beech leaf.

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3.

OPEN ENDED QUESTION

3 mins • 1 pt

What role does the solvent play in the chromatography process?

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4.

OPEN ENDED QUESTION

3 mins • 1 pt

Explain how the different pigments are separated during chromatography.

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5.

OPEN ENDED QUESTION

3 mins • 1 pt

What are the two types of chlorophyll identified in the chromatography process?

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6.

OPEN ENDED QUESTION

3 mins • 1 pt

How can chromatography be applied in forensic science?

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7.

OPEN ENDED QUESTION

3 mins • 1 pt

What are some applications of chromatography in the food industry?

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