Lesson 2.1: Types of Solutions

Question 1

They are mixtures of two or more substances evenly distributed throughout a single phase.

Answer 1

Solutions

Question 2

_________________________ are thoroughly mixed in a solution such that each part of the mixture has uniform composition and properties.

Answer 2

Atoms, ions, or molecules

Question 3

A solution consists of a ______________________.

Answer 3

solute and a solvent

Question 4

The _______ is the substance dissolved in a solution and is usually present in smaller amount; the _________ is the dissolving medium.

Answer 4

• solute
• solvent

Question 5

In a simple sugar-water solution, sugar is the ______ and _______ is the solvent.

Answer 5

• sugar
• water

Question 6

The components of a solution may be ____________________.

Answer 6

solid, liquid, or gas

Question 7

Example of gas+gas=gas solution

Answer 7

Oxygen in nitrogen

Question 8

Example of gas+liquid=liquid solution

Answer 8

Carbon dioxide in water

Question 9

Example of gas+solid=solid solution

Answer 9

Hydrogen in palladium

Question 10

Example of liquid+liquid=liquid solution

Answer 10

Ethanol in water

Question 11

Example of liquid+solid=solid solution

Answer 11

Mercury in silver

Question 12

Example of solid+liquid=liquid solution

Answer 12

Salt in water

Question 13

Example of solid+solid=solid solution

Answer 13

Copper in tin (Bronze)

Question 14

A solution can also be classified as ________________________________________ depending a the quantity of solute present in it.

Answer 14

unsaturated, saturated, or supersaturated

Question 15

An _______________ solution contains less solute than the solvent’s capacity to dissolve.

Answer 15

unsaturated

Question 16

This means that the solution can still dissolve more solute.

Answer 16

unsaturated solution

Question 17

A __________________ contains the maximum amount of solute that the solvent can dissolve at a certain temperature.

Answer 17

saturated solution

Question 18

A _______________________ contains more dissolved solute than is present in a saturated solution.

Answer 18

supersaturated solution

Question 19

A supersaturated solution is unstable such that the excess solute can crystallize in the solution by adding a “seed crystal” (a process called _______) or by scratching the sides of the container.

Answer 19

seeding

Question 20

A gas+liquid solution is called as ___________.

Answer 20

Foam

Question 21

A liquid+liquid solution is called as ___________.

Answer 21

Emulsion

Question 22

A liquid+solid solution is called as ___________.

Answer 22

Gel

Question 23

A solid+solid solution is called as ___________.

Answer 23

Solid sol

Question 24

A solid+gas solution is called as ___________.

Answer 24

Solid aerosol

Question 25

Example of foam

Answer 25

whipped cream

Question 26

Example of emulsion

Answer 26

mayonnaise

Question 27

Example of gel

Answer 27

gelatin

Question 28

Example of solid sol

Answer 28

cranberry glass

Question 29

Example of solid aerosol

Answer 29

smoke

Question 30

It is a colloid where a gas is dispersed in a liquid or solid

Answer 30

foam

Question 31

They are tiny particles spread out to the other particles of the other sources.

Answer 31

colloid

Question 32

They do not completely dissolve.

Answer 32

colloid

Question 33

Example of gas in solid

Answer 33

styrofoam, sponge

Question 34

It is a colloid where liquid is dispersed in another liquid, but they do not mix naturally (immiscible).

Answer 34

emulsion

Question 35

It is a colloid where a liquid is dispersed in a solid.

Answer 35

gel

Question 36

They have a semi-solid texture.

Answer 36

gel

Question 37

They can be dissolved.

Answer 37

miscible

Question 38

They cannot be dissolved.

Answer 38

immiscible

Question 39

It is a colloid where a solid is dispersed in another solid.

Answer 39

solid sol

Question 40

Example of this colloid is colored glass, gemstone, alloys with impurities

Answer 40

solid sol

Question 41

It is a colloid where solid particles are dispersed in a gas.

Answer 41

solid aerosol

Question 42

not evenly distributed

Answer 42

Heterogeneous mixture

Question 43

particles are dispersed but are big enough to settle out (hard to mix with other substances)

Answer 43

Suspension

Question 44

particles are mixed together but not dissolved.

Answer 44

Colloid

Question 45

evenly distributed

Answer 45

Homogeneous mixture

Question 46

is a homogeneous mixture of two or more substances where the solute is uniformly distributed within the solvent.

Answer 46

Solution

Question 47

Example: Alloys like brass (zinc and copper).

Answer 47

Solid Solution

Question 48

Example: Seawater (salt dissolved in water).

Answer 48

Liquid Solution

Question 49

Example: Air (oxygen and nitrogen)

Answer 49

Gaseous Solution

Question 50

Contains the maximum amount of solute at a given temperature. Any additional solute will remain undissolved and settle at the bottom.

Answer 50

Saturated Solution

Question 51

Can still dissolve more solute at the same temperature. The solute will continue dissolving until the solution becomes "saturated", at which point no more solute can dissolve.

Answer 51

Unsaturated Solution

Question 52

The solute will dissolve until saturation is reached.

Answer 52

Unsaturated Solution

Question 53

Polar solutes dissolve in polar solvents; nonpolar solutes dissolve in nonpolar solvents.

Answer 53

Nature of Solute and Solvent

Question 54

Higher temperatures usually increase solubility in liquids but decrease solubility in gases.

Answer 54

Temperature

Question 55

Affects the solubility of gases (e.g., carbonated drinks contain dissolved CO under pressure).

Answer 55

Pressure

Question 56

Stirring and increasing surface area speed up the dissolution process.

Answer 56

Stirring and Surface Area