Signs of a Chemical Reaction
Authored by Athan Vest
Education, Fun, Science
8th Grade
Used 88+ times
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10 questions
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1.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
What are the following signs of a Chemical Reaction below?
Select Two
Bubbles
Change in Color
change in state
change in shape
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
You have 2 chemicals, CHEMICAL A and CHEMICAL B. They are both liquids. When you combine them you notice some crystals starting to form within them. Did a chemical reaction occur?
Yes
No
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
You have a large glass of water and you stir salt into it until all the salt completely dissolves. Is this a chemical reaction?
Yes
No
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which one shows that a chemical reaction has occurred?
Melting
Bending
Dissolving
Formation of a Gas
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the BEST definition of a chemical reaction?
A change in matter that produces one or more NEW substances
When two things combine and EXPLODE.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a chemical reaction?
A very boring change in matter
A change in matter when matter changes its form or appearance
A change in matter when the physical appearance changes
A change in matter when the molecules rearrange to make new molecules
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which example is a chemical change?
Baking powder fizzing
Ice melting
Water boiling
Sugar Cube Dissolving
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