Separation Techniques

Question 1

Is a method for the separation of the parts of a heterogeneous mixture

Answer 1

Filtration

Question 2

When students mixed two common substances, a ____ was formed

Answer 2

Heterogeneous mixture

Question 3

There was a new ____ formed in a ____

Answer 3

Precipitate, solution

Question 4

In preparation for the filtration, the filter paper must be folded into a ___

Answer 4

Cone

Question 5

The _____ in the original heterogeneous mixture beaker must be washed our using the stirring rod and the wash bottle

Answer 5

Precipitate

Question 6

Is a method for separating the components of a homogeneous mixture

Answer 6

Evaporation

Question 7

Is a method for separating the components of a homogeneous mixture

Answer 7

Evaporation

Question 8

After filtration, the students evaporated the filtrate solution to separate it from any

Answer 8

Dissolved solute

Question 9

How can you calculate the mass of precipitation?

Answer 9

By taking the mass of the filter paper before the filtration and the mass of the paper and solid after it dries

Question 10

How can you calculate the mass of precipitation?

Answer 10

By taking the mass of the filter paper before the filtration and the mass of the paper and solid after it dries

Question 11

Is a method for the separation of the components of a homogeneous mixture

Answer 11

Distillation

Question 12

The basis for separation is the ____ of the components in the liquid

Answer 12

Different boiling points

Question 13

The component with the ____ boiling point will boil off first

Answer 13

Lowest

Question 14

The vapor is condensed and this ____ is collected in the receiving flask

Answer 14

Distillate

Question 15

The vapor is condensed and this ____ is collected in the receiving flask

Answer 15

Distillate

Question 16

Gas to liquid

Answer 16

Condensation

Question 17

Boiling point (1 atm) of Water H2O

Answer 17

100C

Question 18

Boiling point (1 atm) of Water H2O

Answer 18

100C

Question 19

Boiling Point (1 atm) of Propylene glycol C3H8O2

Answer 19

188C

Question 20

Boiling Point (1 atm) of Vannillin C8H8O3

Answer 20

285C

Question 21

Boiling Point (1 atm) of phosphoric acid H3PO4

Answer 21

158C

Question 22

Boiling Point (1 atm) of Ethyl Vanillin C9H10O3

Answer 22

285 C

Question 23

Is an easy way to separate the soluble components of a homogeneous mixture

Answer 23

Paper chromatography

Question 24

[Paper chroma] Separation is based on

Answer 24

• Solubility of the sample in the mobile phase
• Molecule size