chemistry end of year 7

Question 1

Name 5 ways of Separating Mixtures

Answer 1

Filtration
Simple Distillation
Fractional Distillation
Chromatography
Evaporation

Question 2

Filtration separates -

Answer 2

an insoluble solid from a liquid.

Question 3

Evaporation separates-

Answer 3

a soluble solid from a liquid

Question 4

Simple Distillation separates -

Answer 4

the solvent from a solution

Question 5

Fractional Distillation separates -

Answer 5

a liquid from a mixture of 2 or more liquids

Question 6

Chromatography separates -

Answer 6

dissolved substance from one another

Question 7

A solvent is …

Answer 7

able to dissolve other substances

Question 8

something that is soluble is …

Answer 8

able to be dissolved, especially in water

Question 9

A insoluble is …

Answer 9

impossible to solve

Question 10

A mixture is …

Answer 10

a substance made by mixing other substances together

Question 11

Chromatography graph is called

Answer 11

Chromatogram

Question 12

Steps in Filtration

Answer 12

(1) Mix the dirt and water into one of the clear glasses. Mix until water is brown.
2. Put filter paper into a funnel and put the mixture through that.
3. The residue will be left in the filter paper and clean water should be dripping out.

Question 13

A solute is…

Answer 13

the substance that is going to be dissolved in the liquid (solvent)

Question 14

A solution is..

Answer 14

A solute dissolved in a solution until it disappears