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Mixtures!
Question | Answer |
---|---|
What are combinations of two or more substances in which the substances keep their own properties? | Mixtures |
A ________ is a mixture made of parts that separates upon standing. | suspension |
Oil and water is an example of a | suspension |
After sand gets stirred into water it eventually ___________to the bottom. | settles. Which makes it a suspension. |
What can be used to separate a suspension? | Filter or liquids can layer themselves due to different densities. |
How do you separate a solution? | Evaporation |
How do you separate an alloy? | Melting -Metals have different melting points. |
A combination of metals is called an | alloy |
What separates a mixture of ink? | chromatography |
When a solute dissolves into a solvent and it is the same throughout this mixture is a | solution |
salt water is a | solution |
Salt in saltwater is the | solute |
Water in saltwater is the | solvent |
Bronze or jewelry is an example of an | alloy |
Gold or silver-pure or mixture? | Pure! |
Neon-pure or mixture? | pure |
Oxygen-pure or mixture? | pure |
Salt-insoluble or soluble? | soluble |
Soluble means an item can be | dissolved |
If an item is insoluble it can... | not be dissolved |
Koolaid powder is the______in a solution. | solute |
Iron filings and sand can be separated by a | magnet |
Steel screws and aluminum screws can be separated by a | a magnet |
Water and oil would be homogeneous or heterogeneous? | heterogeneous |
Coffee grounds suspended in water can be separated by a | filter |
Sugar water can be separated by | evaporation |
Sand and marbles can be separated by _____size. What tool would be good to be used to separate? | particle strainer |
A mixture is a _____________________ | physical change |
A _____ change is a change of size, shape, or state without forming a new substance. | physical |
Pepper and water and oil and water would be examples of a | suspension |
Chromatography is a process to separate | ink. |
A mixture can be separated by solubility. True or False? | True-one part can dissolve with water and the other part not dissolve. |