Chemical Change Question Preview (ID: 62387)
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In a _______ change, the individual particles that make up a substance do not change.
a) chemical
b) physical
c)
d)
If substances combine to make a new substance, it is called a ________ change.
a) physical
b) chemical
c)
d)
Signs that a chemical change has occurred include ________.
a) color change
b) temperature change
c) production of gas or light
d) all of the above
Substances formed because of chemical changes are called _____
a) reactants
b) light
c) products
d) conservation of mass
The substances that exist at the start of the reaction are called _____.
a) products
b) light
c) conservation of mass
d) reactants
The total mass of the reactants is always the same as the total mas of the products. This is _________.
a) reactant
b) conservation of mass
c) light
d) products
In physical change or chemical change, no matter is ever created or destroyed.
a) true
b) false
c) trick question
d) not sure
Some chemical reaction will make it look like matter has been created or destroyed.
a) true
b) false
c)
d)
Water changing from a solid, to a liquid, or to a gas is an example of ______ change.
a) chemical
b) physical
c) liquid
d) constructive
The Statue of Liberty underwent __________ change.
a) physical
b) chemical
c) bonding
d) scientific
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