Chemical Change Question Preview (ID: 62387)
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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
In physical change or chemical change, no matter is ever created or destroyed.
a) true
b) false
c) trick question
d) not sure
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
The substances that exist at the start of the reaction are called _____.
a) products
b) light
c) conservation of mass
d) reactants
Substances formed because of chemical changes are called _____
a) reactants
b) light
c) products
d) conservation of mass
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
If substances combine to make a new substance, it is called a ________ change.
a) physical
b) chemical
c)
d)
In a _______ change, the individual particles that make up a substance do not change.
a) chemical
b) physical
c)
d)
The Statue of Liberty underwent __________ change.
a) physical
b) chemical
c) bonding
d) scientific
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