Seperating Techniques

Question 1

Filtration

Answer 1

A separating technique used to separate a solution from an insoluble solid

Question 2

Chromatography

Answer 2

A separating technique used to separate a mixture of soluble substances

Question 3

Stationary phase

Answer 3

The phase in chromatography that doesn’t move

Question 4

Mobile phase

Answer 4

The phase in chromatography that moves

Question 5

Distillation

Answer 5

A separating technique used to separate two substances with different boiling points

Question 6

Simple distillation

Answer 6

Distillation used to separate two liquids with very different boiling points

Question 7

Fractional distillation

Answer 7

Distillation using a fractionating column for liquids with similar boiling points

Question 8

Screening (step 1 to cleaning dirty water)

Answer 8

Removing large insoluble solids with a sieve

Question 9

Sedimentation (step 2 of cleaning dirty water)

Answer 9

Small insoluble particles are allowed to separate by added chemicles

Question 10

Filtration (step 3 of cleaning dirty water)

Answer 10

Sand and gravel beds remove insoluble solids

Question 11

Chlorination (step 4 of cleaning dirty water)

Answer 11

Chlorine is added to kill microorganisms in the water