Mixtures

Question 1

What are the many forms of pure substances?

Answer 1

-atoms
-molecules
-giant structures

Question 2

Compound

Answer 2

a substance that requires of 2 or more elements combined together, creating an chemical bond which is hard to separate

Question 3

Mixture

Answer 3

a substance that requires of 2 or more elements combined together, creating a physical bond which can be easy to separate

Question 4

Particle

Answer 4

Atoms chemically to one another representing an amount of a substance

Question 5

What things do you need to know about a molecular substance to find out whenever a substance is molecular or not?

Answer 5

-The substance is made of non-metals
-The substance is made up of more than one non-metal (and/or) has a subscript number in it’s formula

Question 6

name all of the halogens

Answer 6

Hydrogen
Nitrogen
Oxygen
Fluorine
Chlorine
Bromine
Iodine

Question 7

chromatography

Answer 7

Separation of dissolved materials depending on their solubility in the solvent used e.g. water.

Question 8

Crystallisation

Answer 8

The process of producing crystals from a solution by slowly evaporating the solvent.

Question 9

Decanting

Answer 9

Separation of a solid from a liquid by careful pouring.

Question 10

Simple Distillation

Answer 10

The process of separation that depends on substances in a solution or mixture having different boiling points.

Question 11

Evaporation

Answer 11

Separation of a solid from a liquid by heating.

Question 12

Filtrate

Answer 12

The liquid or solution that passes through a filter.

Question 13

Filtration

Answer 13

The process of separation that uses a filter to separate a solid from a liquid.

Question 14

Fractional distillation

Answer 14

The technique for separating liquids in a mixture due to their similar boiling points.

Question 15

Immiscible

Answer 15

When two liquids don’t mix and instead form two layers e.g. oil and water.

Question 16

Impure

Answer 16

A substance that contains more than one type of particle, not chemically bonded to one another.

Question 17

Insoluble

Answer 17

When a substance can’t dissolve in the solution

Question 18

Miscible

Answer 18

When two liquids mix.

Question 19

Pure

Answer 19

Contains only one type of particle.

Question 20

Residue

Answer 20

The solid that is kept back by the filter in filtration

Question 21

Saturated

Answer 21

A solution in which no more of the solute will dissolve.

Question 22

Soluble

Answer 22

Can dissolve in a solvent.

Question 23

Solute

Answer 23

The solid in the solution

Question 24

Solution

Answer 24

The result of a solute dissolving in a solvent.

Question 25

Solvent

Answer 25

The liquid in the solution

Question 26

Giant structure

Answer 26

Billons of atoms that are chemically bonded