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Terms in this set (16)
Chromatography is a method of separating a mixture of different substances. The smaller, lighter particles can be carried further by the water the smaller, the heavier particles.
The process of separating a liquid from a solid by slowly pouring down a stirring rod.
A solid dissolves in liquid when it mixes completely with the liquid. The solid has broken down into pieces so small that its particles spread all through the new mixture. The solid and liquid will stay mixed without shaking. The original solid breaks apart into pieces not much bigger then a few atoms.
Small droplets of one liquid are spread throughout the other liquid, milk, ice cream, butter and cream all have droplets of oil through the water, so they are emulsions.
The substances that passes through the filter paper, into the container below.
Two liquids that cannot mix together e.g; oil and water
Solids that cannot dissolve into the liquid.
Liquids that mix together.
Different substances that are blended together, but they do not combine chemically
The solid that remains in the filter paper after filtering.
When a solvent is totally filled with a solute, so no more will dissolve into it, it is said to be saturated.
The substance (solid, liquid or gas) that dissolves into the solvent. In this example the solute is an aspirin tablet.
A combination of substances where a solute (e.g salt) dissolves into a solvent (e.g water). The remaining substance (e.g salty water) is called a solution)
The liquid that a substance (solid, liquid or gas dissolves into)
When a saturated solution has been heated, more solute can be dissolved into it. This is now called supersaturated. When it cools, the extra solute recrystallises.
Sometimes when substances are mixed, they stay in clusters that remain suspended in the liquid. An example is chalk in water.
Eventually a suspension will settle to the bottom of the liquid to form a sediment.
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