solutions and mixtures

Question 1

What is a solution?

Answer 1

A homogeneous mixture where one substance is dissolved in another.

Question 2

True or False: In a solution, the solute is the substance that is dissolved.

Answer 2

True

Question 3

What is the solvent in a solution?

Answer 3

The substance that dissolves the solute.

Question 4

Fill in the blank: A __________ is a mixture where the different components can be seen and separated.

Answer 4

suspension

Question 5

Which of the following is an example of a mixture? A) Saltwater B) Air C) Sugar D) Both A and B

Answer 5

D) Both A and B

Question 6

What is the process of dissolving called?

Answer 6

Dissolution

Question 7

True or False: All mixtures are solutions.

Answer 7

False

Question 8

What type of mixture is formed when particles are too large to be dissolved, such as sand in water?

Answer 8

Suspension

Question 9

What do you call a mixture that has a uniform composition throughout?

Answer 9

Homogeneous mixture

Question 10

What is the solubility of a substance?

Answer 10

The maximum amount of solute that can dissolve in a given amount of solvent at a specific temperature.

Question 11

Fill in the blank: In a __________ mixture, the components are not evenly distributed.

Answer 11

heterogeneous

Question 12

Which of the following is NOT a characteristic of solutions? A) Transparent B) Can’t be separated by filtration C) Uniform composition D) Visible particles

Answer 12

D) Visible particles

Question 13

What happens to the solubility of most solids in water as temperature increases?

Answer 13

It increases.

Question 14

True or False: Oil and water can form a solution.

Answer 14

False

Question 15

What is the term for the amount of solute in a given volume of solution?

Answer 15

Concentration

Question 16

Which of the following is an example of a colloid? A) Saltwater B) Milk C) Sugar D) Air

Answer 16

B) Milk

Question 17

Fill in the blank: A __________ is a solid that forms from a solution during a chemical reaction.

Answer 17

precipitate

Question 18

What is a saturated solution?

Answer 18

A solution that cannot dissolve any more solute at a given temperature.

Question 19

Which term describes a mixture where the individual substances retain their properties?

Answer 19

Mixture

Question 20

True or False: A liquid solution can only be made from liquids.

Answer 20

False

Question 21

What is the main difference between a solution and a suspension?

Answer 21

In a solution, the solute is dissolved; in a suspension, the particles are not dissolved.

Question 22

What is the effect of stirring on the rate of dissolution?

Answer 22

It increases the rate of dissolution.

Question 23

Fill in the blank: The __________ of a solution is the temperature at which it can hold the maximum amount of solute.

Answer 23

solubility point

Question 24

What do we call the process of separating a mixture by boiling and condensing?

Answer 24

Distillation

Question 25

What is the term for a mixture of gases that can vary in composition?

Answer 25

Gas mixture

Question 26

True or False: All solutions are clear and colorless.

Answer 26

False

Question 27

insoluble

Answer 27

unable or very difficult to dissolve

Question 28

soluble

Answer 28

will dissolve easily

Question 29

how to seperate a soluble solid from a liquid

Answer 29

evaporate the liquid done by evaporating basin

Question 30

how to seperate an insoluble solid from liquid

Answer 30

we can decant the liquid - carefully pour it away , leaving the solid

Question 31

immiscible liquid

Answer 31

do not mix

Question 32

miscible liquids do mix

Question 33

distillation

Answer 33

process for separating 2 or more miscible liquids