

Chemical Reactions and Safety Measures
Interactive Video
•
Chemistry, Science
•
9th - 12th Grade
•
Practice Problem
•
Hard
Amelia Wright
FREE Resource
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5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the initial step in setting up the experiment?
Adding water to the flask
Coiling a steel wire into a spring shape
Filtering the solution
Heating the flask
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is it important to add water during the reaction?
To increase the reaction speed
To cool down the reaction
To prevent the flask from breaking
To dissolve the steel wire
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is released as a result of the reaction?
Colorless gas
Oxygen gas
Hydrogen gas
Reddish-brown gas
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the chemical formula of the reddish-brown gas produced?
H2O
Cl2
FeCl3
FeCl2
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the final step in obtaining the FeCl3 solution?
Filtering the solution
Heating the solution
Coiling more steel wire
Adding more chlorine gas
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