Leaf Chromatography Lesson

Leaf Chromatography Lesson

8th Grade

15 Qs

quiz-placeholder

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Leaf Chromatography Lesson

Leaf Chromatography Lesson

Assessment

Quiz

Science

8th Grade

Practice Problem

Hard

NGSS
MS-PS1-3, MS-PS1-2

Standards-aligned

Created by

Charles Martinez

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15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Chromatography separates a mixture of dyes on the basis of their _______.

density

solubility

gravity

boiling point

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

On the chromatogram given, ________ dye is a mixture.

red

orange

green

black

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A pure substance shows _____ spot on the chromatogram.

0

1

2

3

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

The diagram below shows a chromatogram obtained when a sample X was analysed together with four other known dyes P, Q, R and S. Dye Q was known to cause cancer. Which of the following dye(s) is/are safe for use?

P only
S only
P and S
P and X

Tags

NGSS.MS-PS1-3

5.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Dyes in water soluble markers may be separated by means of ________.

crystallization

sublimation

chromatography

sedimentation

6.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Media Image

Which plant species has plant pigments most similar to those in A?

B
C
D

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is chromatography?

A way to see pretty colors

A laboratory technique used to separate a mixture.

A form of distillation

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