IGCSE Chemistry - Energy Changes
Authored by Kazzer Wazzer
Physics, Science
9th - 10th Grade
Used 118+ times
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8 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
What is an exothermic reaction?
A chemical reaction that increases in temperature.
A chemical reaction that decreases in temperature.
A chemical reaction that causes a decrease in temperature.
Something that involves your spine.
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
What is an endothermic reaction?
A chemical reaction that causes an increase in temperature.
A chemical reaction that causes a decrease in temperature.
A chemical reaction that heats up.
A chemical reaction that cools down.
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Which processes are done in endothermic and exothermic reactions?
Bond breaking: Endothermic / Bond forming: Exothermic
Bond breaking: Exothermic / Bond forming: Endothermic
Both are bond breaking processes
Both are bond forming processes
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Is the ΔH positive or negative here?
Positive
Negative
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
True or false: Endothermic reactions give out energy.
True
False
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
True or False: Endothermic reactions take in energy.
True
False
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
True or false: Exothermic reactions give out energy.
True
False
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