8.2 Solutions and their characteristics

Question 1

Milk is a ______ consisting of water (the solvent) with lactose and salts dissolved in it.

Answer 1

solution

Question 2

true or false

Ocean water is a type of solution.

Answer 2

true

Question 3

A ________ is a homogeneous mixture of two or more substances

Answer 3

solution

Question 4

homogeneous

Answer 4

uniformly mixed and gives a uniform appearance

Question 5

heterogenous mixtures

Answer 5

contain two or more phases

Question 6

Liquid and gaseous solutions are transparent because

Answer 6

the entities they contain are too small and too spread apart to block light as it passes through

Question 7

true or false

Solutions can be coloured or colourless

Answer 7

true

Question 8

Solutions are composed of

Answer 8

solute and solvent

Question 9

solute

Answer 9

the substance that is in the lesser quantity and is being dissolved

Question 10

Solvent

Answer 10

the substance that is in the greater quantity and is doing the dissolving

Question 11

Aqueous solution

Answer 11

one in which the solvent is water

Question 12

Concentration:

Answer 12

The ratio of the quantity of solute to the quantity of
solvent

Question 13

Concentrated solution:

Answer 13

A solution that has a relatively large quantity
of solute dissolved per volume of solution

Question 14

Dilute Solution:

Answer 14

A solution with a relatively small quantity of solute
dissolved per unit volume of solution

Question 15

why is water called the universal solvent

Answer 15

Water is often called the universal solvent because it is capable of dissolving so many substances

Question 16

When a solid solute dissolves in a liquid solvent it is said to be …

Answer 16

soluble

Question 17

When a solid solute does not dissolve in a liquid solvent it is said to be

Answer 17

insoluble

Question 18

When two liquids dissolve in each other, they are called

Answer 18

miscible

Question 19

When two liquids do not dissolve in each other, they are called _______ (for example oil and water)

Answer 19

immiscible