7E Mixtures and seperation
暂无描述。系统推荐的高质量记忆内容,适合每天坚持背诵学习。
卡片预览 (11 张)
Mixture
Two or more substances jumbled together but not joined together.
Suspension
A mixture of a solid and liquid, where the solid bits are heavy enough to settle out if the mixture is left to stand.
Colloid
A mixture of a solid, liquid or gas in a solid, liquid or gas where the substances do not settle out if left to stand.
Solution
When a substance has dissolved in a liquid.
Opaque
Cannot be seen through- colloids are opaque / cloudy.
Transparent
Light can pass through and it can be seen through- solutions are transparent.
Filter
Something through which a liquid is passed to remove suspended pieces of solid.
Solvent
The liquid in which a substance dissolves to make a solution.
Solute
The substance that has dissolved in a liquid to make a solution.
Chromatography
Used to separate substances dissolved in a mixture.
Pure
A single substance that does not have anything else in it. (Pure water only contains water and no dissolved solutes)