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Unit 2 Chem 1 Test Review CTJ

Total questions: 40

Worksheet time: 26mins

Name
Class
Date
1.

These states of matter cannot be compressed: ____________________ and ____________________

a)

solid, liquid

b)

gas, plasma

c)

plasma, liquid

d)

gas, solid

2.

A ____________________ is the same thing as a homogeneous mixture.

a)

solution

b)

compound

c)

element

d)

suspension

3.

A container of Gatorade is a type of ____________________.

a)

solution

b)

beverage

c)

drink

d)

liquid

4.

List the 4 states of matter from most dense to least: ______________ ______________ ______________ ______________

a)

solid, liquid, gas, plasma

b)

plasma, gas, liquid, solid

c)

gas, liquid, solid, plasma

d)

liquid, solid, plasma, gas

5.

These states of matter take the shape of their container: ____________________ and ____________________

a)

liquid, gas

b)

solid, plasma

c)

plasma, liquid

d)

solid, gas

6.

What type of change involves a change of color or gas formation when two chemicals are mixed? ____________________

a)

chemical

b)

physical

c)

mechanical

d)

electrical

7.

Ductility and malleability are examples of ____________________ properties.

a)

physical

b)

chemical

c)

biological

d)

electrical

8.

Luster is how ____________________ a metal is and is a ____________________ property.

a)

shiny, physical

b)

dull, chemical

c)

bright, chemical

d)

opaque, physical

9.

A piece of ice melting to liquid water is an example of a ____________________ change and is also a ____________________ change.

a)

physical, phase

b)

chemical, phase

c)

physical, chemical

d)

chemical, chemical

10.

Table salt (sodium chloride or NaCl) is a __________________________.

a)

compound

b)

element

c)

mixture

d)

solution

11.

An ____________________ property depends on the amount of matter and an ____________________ property is useful for identifying matter.

a)

extensive, intensive

b)

intensive, extensive

c)

chemical, physical

d)

physical, chemical

12.

A type of matter with one type of atom is an __________________________.

a)

element

b)

compound

c)

mixture

d)

solution

13.

Which are physical properties? Choose all that apply.

a)

unreactive

b)

flammability

c)

malleable

d)

density

e)

mass

14.

Which are chemical properties? Choose all that apply.

a)

yellow

b)

unreactive

c)

density

d)

oxidizes

e)

flammability

15.

Which is an extensive property - depends on the amount and varies sample to sample? ____________________

a)

mass

b)

temperature

c)

density

d)

color

16.

How are pure substances different from mixtures? Name the 2 types of pure substances.

a)

Pure substances have a fixed composition, while mixtures do not. The two types of pure substances are elements and compounds.

b)

Pure substances can be separated by physical means, while mixtures cannot. The two types of pure substances are solutions and suspensions.

c)

Pure substances are always homogeneous, while mixtures are always heterogeneous. The two types of pure substances are metals and non-metals.

d)

Pure substances have variable composition, while mixtures have fixed composition. The two types of pure substances are acids and bases.

17.

What is a heterogeneous mixture? Name the one type of heterogeneous mixture.

a)

A mixture with uniform composition; solutions

b)

A mixture with non-uniform composition; suspensions

c)

A mixture with uniform composition; suspensions

d)

A mixture with non-uniform composition; solutions

18.

A homogeneous mixture is also known as a _________. Which of the following is an example of a homogeneous mixture?

a)

Solution; Saltwater

b)

Colloid; Milk

c)

Suspension; Muddy water

d)

Emulsion; Mayonnaise

19.

Black pen ink is a mixture of three colors: . What is the best way to separate this mixture? __________________________ What type of mixture is this before separating?

a)

Filtration; Homogeneous

b)

Distillation; Heterogeneous

c)

Chromatography; Homogeneous

d)

Evaporation; Heterogeneous

20.

Two clear liquids are mixed together in a test tube. Upon mixing, the liquid in the test tube becomes cloudy and yellow. a. What type of reaction occurred? __________________________ b. What is the cloudy product called? __________________________

a)

a. Precipitation reaction; b. Precipitate

b)

a. Combustion reaction; b. Ash

c)

a. Decomposition reaction; b. Gas

d)

a. Neutralization reaction; b. Salt

21.

Which of the following diagrams represents a solid element?

a)

Diagram A

b)

Diagram B

c)

Diagram C

22.

Which of these types of mixtures are heterogeneous?

a)

Solution

b)

Suspension

c)

Colloid

d)

Homogeneous mixture

23.

Describing the potassium chlorate as white and crystalline is an example of an intensive or extensive property?

a)

Intensive property

b)

Extensive property

24.

When potassium chlorate is melted, is this an example of a physical or chemical change.

a)

Physical

b)

Chemical

25.

Which of the following is an indicator or evidence of a chemical reaction? Choose all that apply.

a)

Formation of a precipitate

b)

Change in temperature

c)

Emission of light

d)

Emission of gas

e)

Change in color

26.

How would you separate a mixture of water, sand, and salt?

a)

By using a magnet

b)

By filtration and evaporation

c)

By distillation

d)

By decantation

27.

Are solutions substances or mixtures?

a)

Substances

b)

Mixtures

28.

Are colloids substances or mixtures?

a)

Substances

b)

Mixtures

29.

Are solutions homogenous or heterogenous? Are colloids homogenous or heterogenous?

a)

Solutions are homogenous, colloids are homogenous

b)

Solutions are homogenous, colloids are heterogenous

c)

Solutions are heterogenous, colloids are homogenous

d)

Solutions are heterogenous, colloids are heterogenous

30.

Table salt dissolves in water. Is this a physical or chemical change?

a)

Physical

b)

Chemical

31.

Solubility, the ability to dissolve, is a physical or a chemical property?

a)

Physical

b)

Chemical

32.

Are compounds, elements or mixtures are made of 2 or more types of elements chemically combined.

a)

Compounds

b)

Elements

c)

Mixtures

33.

Are compounds, elements or mixtures are made of 1 type of atom.

a)

Compounds

b)

Elements

c)

Mixtures

34.

Put the following in order from LOWEST density to HIGHEST density.

a)

wood

b)

water

c)

milk

d)

maple syrup

e)

steal nut

1)
2)
3)
4)
5)
35.

Which TWO variables do you need to solve for Density?

a)

mass

b)

length

c)

volume

d)

height

36.

What type of matter is shown in this particle diagram?

a)

Pure Substance

b)

Homogeneous Mixture

c)

Heterogeneous Mixture

d)

Element

37.

Label the following image

38.

The atomic structure of the substance pictured is a ​ (a)   in what phase of matter: ​ ​ ​ ​ (b)  

Choose from the below words
heterogeneous mixture
homogeneous mixture
pure substance
liquid and gas
solid
liquid
gas
39.

The atomic structure in the picture represents a ​ (a)   ​ in the ​ ​ (b)   ​ ​ phase of matter.

Choose from the below words
pure substance
mixture
liquid/gas
solid
liquid
gas
40.

The atomic structure of the substance pictures represents a ​ (a)   consisting of ​ (b)   in the ​ ​ (c)   state of matter.

Choose from the below words
heterogeneous mixture
pure substance
homogeneous mixture
elements
compounds
liquid
solid
gas