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Chemistry Quiz 2
Physical/Chemical Changes and Reactions
12
Science
7th Grade
12/07/2010

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Cards

Term
A short way to describe a chemical reaction
Definition
a chemical equation
Term
If a new substance is produced what type of change occurred?
Definition
chemical change
Term
A cup of water froze in the freezer. What type of change occurred?
Definition
physical change
Term
Mixing, freezing and vaporizing are all examples of what type of change?
Definition
physical change
Term
If a gas is produced what type of change may have occurred?
Definition
physical or chemical
Term
Substances on the right side of a chemical equation are called
Definition
products
Term
Substances on the left side of a chemical equation are called
Definition
reactants
Term
During an experiment a student heats water until it begins to boil. What type of change is this?
Definition
physical change
Term
When atoms are rearranged into a new substance what has happened?
Definition
a chemical reaction has occurred
Term
What is the chemical symbol for Hydrogen?
Definition
H
Term
What is the chemical symbol for Carbon?
Definition
C
Term
What is the chemical symbol for Sulfer?
Definition
S
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