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Which term means “a combination of two or more substances that keep their identities”?
chemical change
mixture
solution
chemical
When matter changes state, its mass remains the same.
element
element
the salt and vinegar took off some of the copper and the dirt
Which term or phrase best describes what happens when a tomato rots?
chemical change
mixture
solution
chemical
When matter changes state, its mass remains the same.
element
element
the salt and vinegar took off some of the copper and the dirt
Which term names the smallest unit of a pure substance that has the properties of that substance?
chemical change
mixture
solution
chemical
When matter changes state, its mass remains the same.
element
element
the salt and vinegar took off some of the copper and the dirt
when we put the penny in a vinegar and salt solution which explains why the penny became shiny?
chemical change
mixture
solution
chemical
When matter changes state, its mass remains the same.
element
element
the salt and vinegar took off some of the copper and the dirt
baking soda and vinegar is this type of reaction
chemical change
mixture
solution
chemical
When matter changes state, its mass remains the same.
element
element
the salt and vinegar took off some of the copper and the dirt
Which term names the type of matter made of just one kind of atom?
chemical change
mixture
solution
chemical
When matter changes state, its mass remains the same.
element
element
the salt and vinegar took off some of the copper and the dirt
According to the conservation of mass law, Which of these statements is true?
chemical change
mixture
solution
chemical
When matter changes state, its mass remains the same.
element
element
the salt and vinegar took off some of the copper and the dirt
What term is used to identify a mixture that has the same composition throughout?
chemical change
mixture
solution
chemical
When matter changes state, its mass remains the same.
element
element
the salt and vinegar took off some of the copper and the dirt
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