CHEMICAL CHANGES IN MATTER
Assessment
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b g
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History
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9th - 12th Grade
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1 plays
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Medium
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15 questions
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1.
FILL IN THE BLANK
1 min • 1 pt
This process causes changes in the chemical state of the substances that are mixed.
2.
MULTIPLE CHOICE
30 sec • 1 pt
Which of these signs can occur during a chemical reaction?
3.
MULTIPLE CHOICE
30 sec • 1 pt
This is a common sign that a chemical reaction has occurred wherein "spontaneous changes in temperature of the mixture reveal a chemical reaction".
4.
MULTIPLE CHOICE
30 sec • 1 pt
What is the name of the initial substance/s which, when mixed together, starts a chemical reaction?
5.
FILL IN THE BLANK
1 min • 1 pt
These are the new substances that form as a result of the chemical reaction between the reactants.
6.
FILL IN THE BLANK
1 min • 1 pt
A chemical reaction is represented by a...
7.
MULTIPLE CHOICE
30 sec • 1 pt
Chemical reactions obey the following laws...
8.
MULTIPLE CHOICE
30 sec • 1 pt
What was the name of the British scientist who proposed a convincing explanation of why chemical reactions obey the Laws of Conservation of Mass and the Law of Constant Proportions?
9.
MULTIPLE CHOICE
30 sec • 1 pt
The Law of Conservation of Mass is when...
10.
MULTIPLE CHOICE
30 sec • 1 pt
From an atomic point of view, the number and type of atoms do not change in a chemical reaction.
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