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Generation Genius: Genius Challenge - Chemical vs. Physical Changes
By Kelly Freeman
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Last updated 2 months ago
12 questions
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Question 1
1.
If two substances are mixed and a new substance is formed, what type of change is it?
physical change
Chemical change
Question 2
2.
When a substance changes states (melts, evaporates, etc.) it is often what type of change?
physical change
chemical change
Question 3
3.
What type of change is occurring when something burns?
Question 4
4.
True or false: Since gas is detected during the candy + soda demo, it is an example of a chemical change.
True
False
Question 5
5.
What is the evidence that the gas made in the mentos + soda demo was carbon dioxide?
Question 6
6.
How does hydrogen react in a flame test?
Question 7
7.
Milk spoiling is an example of which type of change?
Question 8
8.
What type of change is mixing air into egg whites to make frosting?
Question 9
9.
Question 10
10.
Question 11
11.
Question 12
12.