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Matter Review
Question | Answer |
---|---|
Describe characteristics of a mixture | a physical blend of random amounts of parts that keep their characteristics |
"A mixture is a chemical bonding of two or more substances in any proportion" Is this statement true or false? Explain | false because, its a physical mixture |
Describe how a heterogeneous mixture and a homogeneous mixture differ from each other | homogeneous components look the same. heterogeneous components look different. |
which of the following are the same and which are different a substance and a pure substance | same |
which of the following are the same and which are different a heterogeneous mixture and a solution | different |
which of the following are the same and which are different a substance and a mixture | different |
a homogeneous mixture and a solution | same |
List three example of substances. Explain why each is a substance | Oxygen, water, and sugar We can add or take away anything or it will exchange. They're all elements |
How do mixtures and substances differ? | substances are considered pure and mixtures are combinations |
Is it possible to distinguish between an element and a compound? Explain. | yes, because you can chemically breakdown a compound |
How are the properties of a compound related to those of the elements that compromise it? | the properties of a compound are completely different than a element that compromises it. |
Distillation | separates two soluble liquids or liquids from solids |
decanting | separates insoluble solids and liquids fast but inaccurate |
filtration | separates insoluble solids and liquids slow but accurate |
Chromatography | separates solids in a liquid by mass |