Colorimetry

Colorimetry

12th Grade - University

10 Qs

quiz-placeholder

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Colorimetry

Colorimetry

Assessment

Quiz

Chemistry

12th Grade - University

Medium

NGSS
HS-PS4-3, HS-PS1-5, HS-PS4-5

Standards-aligned

Created by

Anna Duncan

Used 59+ times

FREE Resource

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Colorimetry uses the relationship between colour intensity of a solution and the concentration of the coloured species present.

TRUE

FALSE

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The chosen filter is ______ the colour of the solution being tested.

complementary to

same colour as

darker than

brighter than

Tags

NGSS.HS-PS4-3

NGSS.HS-PS4-5

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the shape of the graph of Absorbance against Concentration?

straight line

parabola

sine wave

cosine wave

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What happens to Absorbance when the Concentration increases?

stays the same

increases

decreases

Tags

NGSS.HS-PS1-5

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The concentration of coloured species must lie in the straight line section of the calibration graph.

TRUE

FALSE

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

How to determine the concentration of the tested solution?

use absorbance and the calibration graph

use your eye to analyse the intensity of colour and estimate the concentration

prepare standard solutions of different concentrations trying to get the same colour as the tested solution

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

How to draw a calibration graph?

prepare standard solutions of various concentrations, record their absorbance values and plot on a graph

draw a line starting at (0,0) with gradient = 1

draw a line starting at (0,0) with gradient = 2

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