Separating Mixtures

Question 1

What does Hand Picking mean?

Answer 1

separating solid/solid mixtures of different size, form and color

Question 2

what does filtration mean?

Answer 2

separating solid/liquid mixtures in which one of the substances is insoluable

Question 3

what does evaporation mean

Answer 3

used to separate solid/liquid mixture in which the solute is soluable

Question 4

what does separating funnel mean?

Answer 4

used to separate 2 liquids with different densities

Question 5

what does distillation mean?

Answer 5

used to separate 2 mixtures of different boiling points

Question 6

what does fractional distillation mean?

Answer 6

used to separate 2 or more mixtures with different boiling points

Question 7

what does chromatography mean?

Answer 7

used to separate mixtures of inks and dyes

Question 8

what does chrystillisation mean?

Answer 8

used to separate mixtures in which the solute is soluble and can decompose when heated

Question 9

what does using a magnet mean?

Answer 9

use to separate solid/solid mixtures where one component is attracted to the magnet

Question 10

what does decanting or settling mean?

Answer 10

used to separate an insoluable solid from a liquid.

Question 11

what does reverseosmosis mean?

Answer 11

used to separate substances from a water

Question 12

what does centrifugation mean?

Answer 12

a process that involves the use of high speed rotation in a centrifuge to separate two immiscible liquids, or a sediment and a liquid

Question 13

when the filtration process is completed, what is the liquid collected called?

Answer 13

filtrate

Question 14

when the filtration process is completed, the solid left on the filter paper is called?

Answer 14

residue

Question 15

besides using filtration as part of the process…what else is it used for?

Answer 15

used to purify water for human use

Question 16

what is sieving?

Answer 16

a method of separation where one material is smaller in size than the other

Question 17

what is filtrate?

Answer 17

material that passes through the filter paper

Question 18

what is residue?

Answer 18

material that doesn’t pass through filter paper

Question 19

what is chromatography?

Answer 19

a process in which a mixture is carried through a medium by a liquid or gas, is separated into its components

Question 20

what is used as a solvent in chromatography?

Answer 20

ethanol

Question 21

what is a solvent

Answer 21

substance in which something dissolves

Question 22

what is solubility?

Answer 22

how much something dissolve in a solvent

Question 23

what is decanting used to separate?

Answer 23

• a mixture of a liquid with different densities
  -two immiscible liquids with different densities

Question 24

what is immiscible liquids?

Answer 24

those that cannot mix to form an homogenous (uniform) mixture- oil and water

Question 25

what is another apparatus for decanting?

Answer 25

separating funnel

Question 26

what is evaporation used for?

Answer 26

used to separate a soluble solid from a solution

Question 27

what is sedimentation?

Answer 27

process by which insoluable solids sink to the bottom of a liquid