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what could you add to an unknown liquid to see if it is an acid or not?
solution
baking soda or bean water
turn less valuable metals into gold
A new substance is formed during a chemical change
element
matter
the salt and vinegar took off some of the copper and the dirt
mixture
the term for anything that has mass and takes up space
solution
baking soda or bean water
turn less valuable metals into gold
A new substance is formed during a chemical change
element
matter
the salt and vinegar took off some of the copper and the dirt
mixture
Which is the best description of what happens during a chemical reaction?
solution
baking soda or bean water
turn less valuable metals into gold
A new substance is formed during a chemical change
element
matter
the salt and vinegar took off some of the copper and the dirt
mixture
Which term means “a combination of two or more substances that keep their identities”?
solution
baking soda or bean water
turn less valuable metals into gold
A new substance is formed during a chemical change
element
matter
the salt and vinegar took off some of the copper and the dirt
mixture
What term is used to identify a mixture that has the same composition throughout?
solution
baking soda or bean water
turn less valuable metals into gold
A new substance is formed during a chemical change
element
matter
the salt and vinegar took off some of the copper and the dirt
mixture
Which term names the smallest unit of a pure substance that has the properties of that substance?
solution
baking soda or bean water
turn less valuable metals into gold
A new substance is formed during a chemical change
element
matter
the salt and vinegar took off some of the copper and the dirt
mixture
Alchemists were ancient chemists trying do what?
solution
baking soda or bean water
turn less valuable metals into gold
A new substance is formed during a chemical change
element
matter
the salt and vinegar took off some of the copper and the dirt
mixture
when we put the penny in a vinegar and salt solution which explains why the penny became shiny?
solution
baking soda or bean water
turn less valuable metals into gold
A new substance is formed during a chemical change
element
matter
the salt and vinegar took off some of the copper and the dirt
mixture
Check it!