
Laboratory Techniques and Procedures

Interactive Video
•
Chemistry, Science
•
9th - 12th Grade
•
Hard

Patricia Brown
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the correct procedure if you spill an acid in the lab?
Use a strong base to neutralize it
Neutralize it with a weak base like baking soda
Ignore it and continue working
Add water to dilute it
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which lab equipment would you use to measure a precise volume of liquid?
Beaker
Graduated cylinder
Volumetric pipette
Florence flask
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary use of an Erlenmeyer flask?
To store solutions
To distill liquids
To swirl and mix solutions without spilling
To measure precise volumes
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In an acid-base titration, what indicates that you have reached the endpoint?
The solution forms a precipitate
The solution starts boiling
The solution changes color
The solution becomes clear
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which separation technique is best for separating a solid from a liquid?
Distillation
Chromatography
Filtration
Spectrophotometry
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main purpose of spectrophotometry in a lab setting?
To measure the pH of a solution
To measure the boiling point of a liquid
To determine the concentration of a solution
To separate components of a mixture
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does contamination with water affect the concentration in spectrophotometry?
It has no effect
It increases the concentration
It decreases the concentration
It doubles the concentration
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