Quiz about Unit 1 Review: Classification of Matter

Question 1

Identify each of the following changes as (1) chemical or (2) physical.

Grinding rock candy into a powder

Accepted Answer

Physical

Answer

Chemical

Question 2

Identify each of the following changes as (1) chemical or (2) physical. b. warming up leftover vegetable soup

Accepted Answer

Physical

Answer

Chemical

Question 3

Identify each of the following changes as (1) chemical or (2) physical. c. digesting food

Accepted Answer

Chemical

Answer

Physical

Question 4

Identify each of the following changes as (1) chemical or (2) physical. d. mixing Kool-Aid, water & sugar together

Accepted Answer

Physical

Answer

Chemical

Question 5

Identify each of the following changes as (1) chemical or (2) physical. e. cooling soda in the refrigerator

Accepted Answer

Physical

Answer

Chemical

Question 6

Identify each of the following changes as (1) chemical or (2) physical. f. dropping chalk into acid

Accepted Answer

Chemical

Answer

Physical

Question 7

Identify each of the following changes as (1) chemical or (2) physical. g. tarnishing copper wire in the flame (outside)

Accepted Answer

Chemical

Answer

Physical

Question 8

Identify each of the following changes as (1) chemical or (2) physical. h. burning magnesium ribbon

Accepted Answer

Chemical

Answer

Physical

Question 9

Classify the following as a (1) element (2) compound (3) heterogeneous mixture or (4) solution. a. sodium oxide

Accepted Answer

Compound

Answer

Element

Answer

Heterogeneous mixture

Answer

Solution

Question 10

Classify the following as a (1) element (2) compound (3) heterogeneous mixture or (4) solution. b. a flower

Accepted Answer

Heterogeneous mixture

Answer

Element

Answer

Compound

Answer

Solution

Question 11

Classify the following as a (1) element (2) compound (3) heterogeneous mixture or (4) solution. c. brass

Accepted Answer

Solution

Answer

Element

Answer

Compound

Answer

Heterogeneous mixture

Question 12

Classify the following as a (1) element (2) compound (3) heterogeneous mixture or (4) solution. d. copper wire

Accepted Answer

Element

Answer

Compound

Answer

Heterogeneous mixture

Answer

Solution

Question 13

Classify the following as a (1) element (2) compound (3) heterogeneous mixture or (4) solution.

Carbonated Soda Pop

Accepted Answer

Heterogeneous mixture

Answer

Element

Answer

Compound

Answer

Solution

Question 14

Classify the following as a (1) element (2) compound (3) heterogeneous mixture or (4) solution. f. KOH

Accepted Answer

Compound

Answer

Element

Answer

Heterogeneous mixture

Answer

Solution

Question 15

Palladium is a metal.

Accepted Answer

True

Answer

False

Question 16

A solution is a compound.

Accepted Answer

False

Answer

True

Question 17

Zinc is a metalloid.

Accepted Answer

False

Answer

True

Question 18

Where do you dispose dry chemicals at the end of the lab?

Accepted Answer

Question 19

Goggles are optional in lab.

Accepted Answer

False

Answer

True

Question 20

Which gas causes a burning ember to reignite?

Accepted Answer

Oxygen

Answer

Hydrogen

Answer

Carbon Dioxide

Question 21

Which substance is composed of two or more elements that are chemically combined?

Accepted Answer

Compound

Answer

Element

Answer

Mixture

Answer

Solution

Question 22

Which elements are found on the right side of the stairstep line of the periodic table?

Accepted Answer

Nonmetals

Answer

Metals

Answer

Metalloids

Question 23

Where do you dispose of used paper, wooden splint, and toothpicks

Accepted Answer

Trash Can

Answer

Sink

Answer

Chemical Container

Answer

Fume Hood

Question 24

The hood is for toxic chemicals.

Accepted Answer

True

Answer

False

Question 25

A reaction is conducted in a closed system.

How do the masses of the reactants and products compare?

Accepted Answer

The mass of the reactants before is equal to the mass of the products after.

Answer

The mass of the reactants before is greater than the products after.

Answer

The mass of the reactants before is less than the mass of the products after.

Question 26

What is the name of the substance created in a chemical reaction?

Accepted Answer

Product

Answer

Reactant

Answer

Gas

Answer

Intermediate

Question 27

Compounds have a formula that tells how many atoms of each elements are in the compound.

Accepted Answer

True

Answer

False

Question 28

Which gas will extinguish a burning flame?

Accepted Answer

Carbon Dioxide

Answer

Hydrogen

Answer

Oxygen

Question 29

Nitrogen is matter.

Accepted Answer

True

Answer

False

Question 30

Chemistry studies matter around us.

Accepted Answer

True

Answer

False

Question 31

Which mixture looks uniform, or the same, throughout?

Accepted Answer

Homogeneous Mixture (solution)

Answer

Heterogeneous Mixture (mixture)

Question 32

Formation of a precipitate from clear solutions is evidence of a chemical change.

Accepted Answer

True

Answer

False

Question 33

If a new substance with new properties has formed, a ______ change has taken place.

Accepted Answer

chemical

Answer

physical

Question 34

A reaction is a chemical change.

Accepted Answer

True

Answer

False

Question 35

If you want to know the ratios of atoms in a compound, you need to know its

Accepted Answer

formula

Answer

name

Answer

mass

Answer

volume

Question 36

If 20 grams of calcium reacts completely with 16 grams of sulfur, the mass of CaS made would be

Accepted Answer

36 grams

Answer

4 grams

Answer

26 grams

Answer

44 grams

Question 37

A glowing splint bursts into flames when placed in

Accepted Answer

oxygen

Answer

carbon dioxide

Answer

hydrogen

Answer

limewater

Question 38

Compounds can be

Accepted Answer

two of the above

Answer

separated into elements by distillation

Answer

composed of 3 elements

Answer

represented by a set formula

Question 39

Contains only one kind of atom.

Accepted Answer

Element

Answer

Compund

Answer

Mixture

Question 40

Contains two or more types of atoms combined/bonded

Accepted Answer

Compounds

Answer

Elements

Answer

Mixtures

Question 41

In the diagrams provided, the circles of different colors represent the atoms of different elements. Which diagram represents a mixture?

Accepted Answer

I

Answer

II

Answer

III

Answer

IV

Question 42

Which of the following represents a compound composed of two different atoms?

Accepted Answer

Diagram (c)

Answer

Diagram (a)

Answer

Diagram (b)

Answer

All of the diagrams represent the parts of a compound.

Question 43

Which diagram represents a pure substance composed of the same type of atom?

Accepted Answer

Diagram (b)

Answer

Diagram (a)

Answer

Diagram (c)

Answer

None of the diagrams represent the parts of an element.

Question 44

What type of matter is shown in this particle diagram?

Accepted Answer

Compound

Answer

Element

Answer

Mixture of Elements

Answer

Mixture of Compounds

Answer

Mixture of Elements and Compounds

Question 45

What type of matter is shown in this particle diagram?

Accepted Answer

Mixture of Compounds

Answer

Element

Answer

Compound

Answer

Mixture of Elements

Answer

Mixture of Elements and Compounds

Question 46

What type of matter is shown in this particle diagram?

Accepted Answer

Mixture of Compounds

Answer

Element

Answer

Compound

Answer

Mixture of Elements

Answer

Mixture of Elements and Compounds

Question 47

What type of matter is shown in this particle diagram?

Accepted Answer

Element

Answer

Compound

Answer

Mixture of Elements

Answer

Mixture of Compounds

Answer

Mixture of Elements and Compounds

Question 48

What type of matter is shown in this particle diagram?

Accepted Answer

Compound made of the same type of element

Answer

Element

Answer

Mixture of Elements

Answer

Mixture of Compounds

Answer

Mixture of Elements and Compounds

Question 49

Which is the best description of one particle of table salt (NaCl)?

Accepted Answer

compound

Answer

mixture

Answer

element

Question 50

What does this illustrate?

Accepted Answer

Mixture of Compounds

Answer

Elements

Answer

Compounds

Answer

Mixture of Elements and Compunds

Question 51

A substance that consists of just one type of atom.

Accepted Answer

element

Answer

atom

Answer

mixture

Answer

matter

Question 52

Which item is a pure substance?

Accepted Answer

aluminum (Al)

Answer

apple juice

Answer

muddy water

Answer

brass

Question 53

H₂O is an example of...

Accepted Answer

a chemical formula

Answer

an atomic number

Answer

an element symbol

Question 54

The individual substances that make up a ________are not evenly mixed.

Accepted Answer

heterogeneous mixture

Answer

compound

Answer

homogeneous mixture

Question 55

What type of material is the lemonade in this glass?

Accepted Answer

Homogeneous mixture (solution)

Answer

Heterogeneous mixture

Answer

Element

Answer

Compound

Question 56

What type of material is pictured?

Accepted Answer

Element

Answer

Compound

Answer

Homogeneous mixture

Answer

Heterogeneous mixture

Question 57

What type of material is pictured?

Accepted Answer

Compound

Answer

Element

Answer

Heterogeneous mixture

Answer

Homogeneous mixture

Question 58

What type of material is pictured?

Accepted Answer

Heterogeneous mixture

Answer

Homogeneous mixture

Answer

Element

Answer

Compound

Question 59

Which best describes the picture shown?

Accepted Answer

Homogeneous mixture of two liquid elements

Answer

Pure solid monatomic element

Answer

Pure gas compound

Answer

Heterogeneous mixture of liquid and a gas

Answer

Pure liquid element

Question 60

Which best describes the picture shown?

Accepted Answer

Pure gas element

Answer

Pure solid element

Answer

Pure gas compound

Answer

Heterogeneous mixture of liquid and a gas

Answer

Homogeneous mixture of two liquid elements

Question 61

Which best describes the picture shown?

Accepted Answer

Pure solid monatomic element

Answer

Pure gas compound

Answer

Heterogeneous mixture of liquid and a gas

Answer

Pure liquid compound

Answer

Homogeneous mixture of two element gases

Question 62

Which best describes the picture shown?

Accepted Answer

Pure gas compound

Answer

Pure solid monatomic element

Answer

Heterogeneous mixture of liquid and a gas

Answer

Pure liquid compound

Answer

Homogeneous mixture of two element gases

Question 63

Which best describes the picture shown?

Accepted Answer

Pure liquid element

Answer

Pure solid monatomic element

Answer

Pure liquid compound

Answer

Heterogeneous mixture of liquid and a gas

Answer

Homogeneous mixture of two element gases

Question 64

Which best describes the picture shown?

Accepted Answer

Heterogeneous mixture of liquid and a gas

Answer

Pure solid monatomic element

Answer

Pure liquid compound

Answer

Pure liquid element

Answer

Homogeneous mixture of two element gases

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