Lab 3a
Authored by Renata Starostka
Biology
University
Used 2+ times
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8 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What were the filters last week supposed to remove?
CO2
Particulate Matter
Water Vapor
Joy
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are we measuring today?
Hardness and Alkalinity
pH
Heavy Metal Contamination
Chlorine
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do we measure alkalinity?
Measure the pH
Measure the amount of carbonate and hydroxide species
Measure the amount of HCl of known strength used to bring the pH to a certain level
Measure the temperature
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which do you think would have more alkalinity?
Wastewater (lab 1b)
Drinking water (lab 3a)
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do we measure hardness?
Measure the pH
Measure the amount of calcium and magnesium
Measure the amount of EDTA of a certain strength used to change the indicator color
Knock on the water and see if it feels solid
6.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
What is EDTA?
Ethylene Dioxytetrachloride Acid
Ethylenediaminetetraacetic acid
An engineered molecule used to chelate lots of molecules at one
A complexing molecule
7.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Which of these chemicals has an SDS (Safety Data Sheet) on Canvas?
EDTA
Eriochrome Black T
Hardness Buffer
Hydrochloric Acid
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