Separation Techniques Flashcards

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1
Q

What is a chromatogram?

A

An image obtained from chromatography.

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2
Q

What is chromatography?

A

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

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3
Q

What is dissolving?

A

The mixing of a substance (the solute) with a liquid (the solvent) to make a solution.

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4
Q

What is distillation?

A

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

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5
Q

What is filtering?

A

A way of separating pieces of solid that are mixed with a liquid or solution by pouring through filter paper.

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6
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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7
Q

What is filtration?

A

A way of separating pieces of solid that are mixed with a liquid or solution by pouring through filter paper.

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8
Q

What is an impure substance?

A

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

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9
Q

What is a pure substance?

A

A substance is pure if it has no other substances mixed with it.

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10
Q

What is an insoluble substance?

A

A substance that cannot dissolve in a certain solvent is insoluble in that solvent.

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11
Q

What is a mixture?

A

A mixture is made up of substances that are not chemically joined together.

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12
Q

What is residue?

A

The solid that collects in the filter paper.

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13
Q

What is solubility?

A

The solubility of a substance is the mass that dissolves in 100 g of water.

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14
Q

What is a saturated solution?

A

A solution in which no more solute can dissolve.

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15
Q

What is a solute?

A

The solid or gas that dissolves in a liquid.

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16
Q

What is a solvent?

A

The liquid in which a solid or gas dissolves.

17
Q

What is a solution?

A

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