PARTICLES IN SOLUTION💜

Question 1

Dissolving

Answer 1

When a substance dissolves in a liquid its particles slip into the gaps between the particles of the liquid and they become completely mixed up together.

Question 2

Solution

Answer 2

Made when two substances mix completely through each other.

Question 3

Solute

Answer 3

Substance which dissolves in water.

Question 4

Solvent

Answer 4

Substance which does the dissolving

Question 5

Solids that dissolve in a liquid are said to be ….

Answer 5

Soluble

Question 6

Solids that don’t dissolve are said to be…..

Answer 6

Insoluble

Question 7

Solubility

Answer 7

The number of grams of the solute that dissolves in 100g of the solvent at a particular temperature

Question 8

Crystallisation

Answer 8

When a hot, saturated solution is cooled down, some of the solute will come out of the solution and form crystals.

Question 9

Mixture

Answer 9

A mixture consists of two or more substances mingled together but not chemically combined

Question 10

Everyday mixtures

Answer 10

Seawater
Is a mixture of water, salt and lots of other substances

Question 12

What are four different methods of separation mixtures?

Answer 12

Filtration
Evaporation
Distillation
Chromatography

Question 13

Filtration

Answer 13

Used to separate an insoluble solid from a liquid
Ex. Soil and water

Question 14

Evaporation

Answer 14

Used to separate a soluble solid and a liquid
Ex. Salt and water

Question 15

Distillation

Answer 15

A method of separation that can be used on a soluble solid and its solvent

Question 16

Chromatography

Answer 16

Paper chromatography can be used to separate mixtures of substances that are in solution