Chromatography Review

Chromatography Review

9th - 12th Grade

15 Qs

quiz-placeholder

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Chromatography Review

Chromatography Review

Assessment

Quiz

Science

9th - 12th Grade

Hard

NGSS
HS-PS1-3, HS-PS4-3, MS-PS1-2

Standards-aligned

Created by

Daniel Semenick

Used 26+ times

FREE Resource

15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In paper chromatography how would you know the substance or mixture was insoluble in the mobile phase used?

The substance would as far as the mobile phase did

The substance would only move a short distance on the paper

The substance would remain on the baseline and not move.

Solubility cannot be determined through chromatography

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Determine which statement is true:

This is a chromatogram of a pure substance

In this chromatogram all of the substances have relatively equal attractions to the stationary phase

This is a chromatogram of a mixture with three components having equal amounts in the mixture

This is a mixture with three components that each have different amounts present in the sample

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Which ink sample looks like a pure substance. (Use the letters below the baseline to identify the inks)

Bc

Br

G

O

Tags

NGSS.HS-PS1-3

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A substance is determined to have an Rf value equal to 0.33. What can be determined from this value?

The substance is insoluble

The substance is highly attracted to the mobile phase

The substance is very attracted to the stationary phase

The substance is equally attracted to the mobile and stationary phases

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In both HPLC and GC analysis, what important process occurs inside the column?

The different components of the mixture separate from each other

The substance is quantified by its absorbance of light/radiation

The sample is introduced into the chromatography system

The substance interacts with the mobile phase for the first time.

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

What is the retention time of the peak present in the greatest quantity?

3.5 minutes

4.1 minutes

4.5 minutes

7.7 minutes

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What substance is exclusively located in the column of HPLC and GC systems?

The mobile phase

The stationary phase

The detector

The substance being analyzed

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