Seperation techniques Flashcards

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1
Q

What is a mixture made up off?

A

Substances not chemically joined together.

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2
Q

What is a solute?

A

The solid or gas that dissolves in a liquid.

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3
Q

What is a solvent?

A

The liquid in which a solid or gas dissolves.

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4
Q

What is a solution?

A

A mixture of a liquid with a solid or gas. All parts to a solution are the same.

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5
Q

What is solubility?

A

The mass that dissolves in 100g of water.

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6
Q

What is a saturated solution?

A

A solution in which no more solute can dissolve.

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7
Q

What does insoluble mean?

A

A substance that can’t dissolve in a certain solvent is insoluble to that solvent.

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8
Q

What is filtration?

A

A way of separating pieces of solid that are mixed with a liquid or a solution.

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9
Q

What is a filtrate?

A

The liquid or solution that collects in the container after the mixture has passed through the filter paper.

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10
Q

What are residues?

A

Solids that collect in the filter paper in filtration.

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11
Q

What is distillation?

A

A technique that uses evaporation and condensation to obtain a solvent from a solution.

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12
Q

What is chromatography?

A

A technique to separate mixtures of liquids that are soluble in the same solvent.

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13
Q

What is a chromatogram?

A

An image obtained from chromatography.

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14
Q

What does pure mean?

A

A substance is pure when it has no other mixtures mixed with it.

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15
Q

What does impure mean?

A

A substance is impure if it has different substances mixed with it.

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