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What happens to the molecules in substance during an endothermic change?
compound
less dense
molecules speed up
mixture
remains constant
condensation
Chromatography
matter
During a phase change, temperature _________.
compound
less dense
molecules speed up
mixture
remains constant
condensation
Chromatography
matter
A slice of apple floats in water. The apple is/has _______ than the water.
compound
less dense
molecules speed up
mixture
remains constant
condensation
Chromatography
matter
A/an ______ is when two or more elements are chemically combined.
compound
less dense
molecules speed up
mixture
remains constant
condensation
Chromatography
matter
______ can be used to determine the colors in a mixture of ink.
compound
less dense
molecules speed up
mixture
remains constant
condensation
Chromatography
matter
Which change of state involves the taking away of heat energy?
compound
less dense
molecules speed up
mixture
remains constant
condensation
Chromatography
matter
A ________ can be separated by physical means.
compound
less dense
molecules speed up
mixture
remains constant
condensation
Chromatography
matter
Anything that has mass and takes up space is classified as ______.
compound
less dense
molecules speed up
mixture
remains constant
condensation
Chromatography
matter
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