Gr 10 Review

Question 1

Matter

Answer 1

Anything that take up volume (space)

Question 2

Physical Properties

Answer 2

Observed with the senses
Can be determined without destroying the object

Question 3

Chemical Properties

Answer 3

how a substance reacts with something else

Question 4

examples of physical properties

Answer 4

Colour
Shape
Mass
Length
Odour

Question 5

examples of chemical properties

Answer 5

flammability
combustion

Question 6

Blue colour: Physical or Chemical Property?

Answer 6

physical

Question 7

density: Physical or Chemical Property?

Answer 7

physical

Question 8

flammability: Physical or Chemical Property?

Answer 8

chemical

Question 9

solubility: Physical or Chemical Property?

Answer 9

physical

Question 10

reacts with acid: Physical or Chemical Property?

Answer 10

chemical

Question 11

supports combustion: Physical or Chemical Property?

Answer 11

chemical

Question 12

melting point: Physical or Chemical Property?

Answer 12

physical

Question 13

reacts with water to form a gas: Physical or Chemical Property?

Answer 13

chemical

Question 14

reacts with a base to form water: Physical or Chemical Property?

Answer 14

chemical

Question 15

boiling point: Physical or Chemical Property?

Answer 15

physical

Question 16

neutralizing a base: Physical or Chemical Property?

Answer 16

chemical

Question 17

physical changes in matter

Answer 17

1. Are changes that are reversible
2. No new substance is formed
3. New properties may appear, but the particles of the starting substance(s) are not changed.
4. It may change form or state

Question 18

example of a physical change in matter

Answer 18

Ice melting

The new properties of the ice are temporary, because a change of state can be reversed.

The liquid water can be changed back into ice.

Question 19

Chemical changes in matter

Answer 19

1. Are changes that are irreversible
2. A new substance with new properties will be formed

Question 20

example of chemical changes in matter

Answer 20

Burnt toast

When a piece of bread is burnt, it forms a layer of charcoal on the front and back of the piece of toast. - A new substance with new properties is formed
The burnt toast cannot be turned back into bread.

Question 21

leaves changing colour in the fall: physical or chemical change

Answer 21

chemical

Question 22

matter

Answer 22

Anything that has mass and occupies space

Question 23

2 groups that matter can be divided into

Answer 23

mixtures and pure substances

Question 24

mixtures

Answer 24

Two or more substances mixed together without chemically combining in any way

Question 25

pure substances

Answer 25

Have a definite composition and are uniform throughout the sample

Question 26

2 groups that mixtures can be divided into

Answer 26

solutions (homogeneous) mechanical mixture (heterogeneous)

Question 27

Solutions (homogeneous)

Answer 27

2 mixtures but only see one phase

Question 28

2 groups that pure substances can be divided into

Answer 28

elements and compounds

Question 29

Mechanical mixture (heterogeneous)

Answer 29

2 or more mixtures and you can see all phases

Question 30

elements

Answer 30

Cannot be broken down to simpler substances Smallest piece = atom

Question 31

compounds

Answer 31

2 or more elements chemically combined together

Question 32

Which group of matter is water?

Answer 32

solution

Question 33

Which group of matter is carbon dioxide?

Answer 33

compound

Question 34

Which group of matter is soda?

Answer 34

mixture

Question 35

Which group of matter is kool aid

Answer 35

solution

Question 36

Which group of matter is propane gas

Answer 36

compound

Question 37

Which group of matter is hydrogen gas

Answer 37

element

Question 38

Which group of matter is pure sand

Answer 38

compound

Question 39

Which group of matter is charcoal

Answer 39

element

Question 40

Which group of matter is brass

Answer 40

solution

Question 41

Which group of matter is uranium

Answer 41

element

Question 42

Which group of matter is liquid mercury

Answer 42

element