Colorimetry

Quiz
•
Chemistry
•
12th Grade - University
•
Medium
Standards-aligned
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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