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Chemical Change
Test Description: .
Instructions: Answer all questions to get your test result.
1) In a _______ change, the individual particles that make up a substance do not change.
A
physical
B
chemical
2) If substances combine to make a new substance, it is called a ________ change.
A
physical
B
chemical
3) Signs that a chemical change has occurred include ________.
A
color change
B
all of the above
C
temperature change
D
production of gas or light
4) Substances formed because of chemical changes are called _____
A
conservation of mass
B
products
C
reactants
D
light
5) The substances that exist at the start of the reaction are called _____.
A
light
B
reactants
C
products
D
conservation of mass
6) The total mass of the reactants is always the same as the total mas of the products. This is _________.
A
products
B
light
C
conservation of mass
D
reactant
7) In physical change or chemical change, no matter is ever created or destroyed.
A
trick question
B
true
C
not sure
D
false
8) Some chemical reaction will make it look like matter has been created or destroyed.
A
true
B
false
9) Water changing from a solid, to a liquid, or to a gas is an example of ______ change.
A
physical
B
liquid
C
chemical
D
constructive
10) The Statue of Liberty underwent __________ change.
A
chemical
B
physical
C
scientific
D
bonding
*select an answer for all questions
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