Ch. 2 Test

Question 1 of 40

1

Which state of matter is characterized by having a definite shape and a definite volume?

Select one of the following:

gas
liquid only
solid only
both b and c

Explanation

Question 2 of 40

1

❌ - a process in which a liquid is boiled to produce a vapor that is condensed into a liquid

Drag and drop to complete the text.

distillation

mass

chemical reaction

compound

element

homogeneous

Explanation

Question 3 of 40

1

❌ - amount of matter an object contains

Drag and drop to complete the text.

mass

chemical reaction

compound

distillation

element

homogeneous

Explanation

Question 4 of 40

1

❌ - composed of two or more substances chemically combined in a fixed proportion

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compound

mass

chemical reaction

element

homogeneous

distillation

Explanation

Question 5 of 40

1

❌ - describes mixture with a uniform composition

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homogeneous

element

compound

distillation

mass

chemical reaction

Explanation

Question 6 of 40

1

❌ - substance that cannot be changed into simpler substances by chemical means

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element

compound

homogeneous

distillation

mass

Explanation

Question 7 of 40

1

❌ - process in which substances are changed into different substances

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chemical reaction

mass

compound

element

homogeneous

Explanation

Question 8 of 40

1

❌ - gaseous state of substance that is a liquid or solid at room temperature

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vapor

product

phase

reactant

heterogeneous mixture

Explanation

Question 9 of 40

1

❌ - starting substance in a chemical reaction

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reactant

product

phase

vapor

mixture

Explanation

Question 10 of 40

1

❌ - a substance formed in a chemical reaction

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product

mixture

vapor

reactant

heterogeneous mixture

Explanation

Question 11 of 40

1

❌ - a physical blend of two or more components

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mixture

vapor

heterogeneous mixture

product

reactant

phase

Explanation

Question 12 of 40

1

❌ - part of a sample having uniform composition and properties

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phase

mixture

reactant

product

vapor

Explanation

Question 13 of 40

1

❌ - not uniform in composition

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heterogeneous mixture

mixture

product

phase

vapor

Explanation

Question 14 of 40

1

What do chemical symbols and formulas represent, respectively?

Select one of the following:

elements and ions
compounds and mixtures
elements and compounds
atoms and mixtures

Explanation

Question 15 of 40

1

Which of the following represents a compound?

Select one of the following:

H2O
H-3
H
O-16

Explanation

Question 16 of 40

1

Which state of matter expands when heated and is easy to compress?

Select one of the following:

gas
liquid only
solid only
both b and c

Explanation

Question 17 of 40

1

which of the following may have more than one phase?

Select one of the following:

a pure liquid
a heterogeneous mixture
a pure solid
a homogeneous mixture

Explanation

Question 18 of 40

1

The chemical symbol for iron is ___.

Select one of the following:

fe
Fe
FE
Ir

Explanation

Question 19 of 40

1

Which of the following is a homogeneous mixture?

Select one of the following:

oil in vinegar
pasta in water
muddy water
alcohol in water

Explanation

Question 20 of 40

1

In the chemical reaction in which sucrose is heated and decomposes to form carbon dioxide and water, which of the following is a reactant?

Select one of the following:

sucrose
heat
water
carbon dioxide

Explanation

Question 21 of 40

1

An example of an extensive property of matter is

Select one of the following:

hardness
temperature
mass
pressure

Explanation

Question 22 of 40

1

When an iron nail is ground into powder, its mass ___.

Select one of the following:

stays the same
decreases
increases
cannot be determined

Explanation

Question 23 of 40

1

When paper turns yellow-brown upon exposure to sunlight, what type of change is likely taking place?

Select one of the following:

both a physical change and a chemical change
a chemical change
neither a physical change nor a chemical change
a physical change

Explanation

Question 24 of 40

1

The chemical formula of a compound indicates?

Select one of the following:

the source of the elements in the compound
the alchemy symbols for the elements in the compound
how elements are joined in the compound to form crystal
the relative proportions of the elements in the compound

Explanation

Question 25 of 40

1

Which of the following is a physical change?

Select one of the following:

rotting of food
corrosion
explosion
evaporation

Explanation

Question 26 of 40

1

Which of the following processes involves a change in physical properties?

Select one of the following:

burning
boiling
fermenting
rusting

Explanation

Question 27 of 40

1

Which of the following can be classified as a mixture?

Select one of the following:

pure gold
pure air
pure water
pure nitrogen

Explanation

Question 28 of 40

1

Which of the following is a physical property?

Select one of the following:

ability to rust
combustible
explosive
melting point

Explanation

Question 29 of 40

1

A chemical change occurs when a piece of wood

Select one of the following:

is painted
decays
is cut
splits

Explanation

Question 30 of 40

1

What must occur for a change to be a chemical reaction?

Select one of the following:

There must be a change in physical properties.
The change must involve a change in mass.
There must be a change in composition which changes the chemical properties.
The change must involve a change in volume.

Explanation

Question 31 of 40

1

What distinguished a substance from a mixture?

Select one of the following:

Samples of the same substances can have different intensive properties.
Substances are compounds, and mixtures are not.
Mixtures are groupings of elements, and compounds are not.
The composition of substances cannot vary, while the composition of mixtures can.

Explanation

Question 32 of 40

1

Which of the following is a homogeneous mixture?

Select one of the following:

beef stew
sand and water
salt water
soil

Explanation

Question 33 of 40

1

A substance that can be separated into two or more substances only by a chemical change is a(n) ___.

Select one of the following:

mixture
element
solution
compound

Explanation

Question 34 of 40

1

Which of the following is a physical property of a substance in the liquid state?

Select one of the following:

definite shape
definite volume
not easily compressed
indefinite

Explanation

Question 35 of 40

1

Which state off matter takes both the shape and volume of its container?

Select one of the following:

solid
liquid only
gas only
both b and c

Explanation

Question 36 of 40

1

Which of the following involves a chemical change?

Select one of the following:

mixing
decomposing
melting
grinding

Explanation

Question 37 of 40

1

Separating a solid from a liquid by evaporating the liquid is called ___.

Select one of the following:

filtration
distillation
condensation
solution

Explanation

Question 38 of 40

1

Which of the following is a chemical property?

Select one of the following:

freezing point
hardness
color
ability to react with oxygen

Explanation

Question 39 of 40

1

	Created by Cecilia Bui almost 8 years ago

10th grade Chemistry Quiz on Ch. 2 Test, created by Cecilia Bui on 09/01/2017.

Question 1 of 40

Which state of matter is characterized by having a definite shape and a definite volume?

Select one of the following:

Explanation

Question 2 of 40

❌ - a process in which a liquid is boiled to produce a vapor that is condensed into a liquid

Drag and drop to complete the text.

Explanation

Question 3 of 40

❌ - amount of matter an object contains

Drag and drop to complete the text.

Explanation

Question 4 of 40

❌ - composed of two or more substances chemically combined in a fixed proportion

Drag and drop to complete the text.

Explanation

Question 5 of 40

❌ - describes mixture with a uniform composition

Drag and drop to complete the text.

Explanation

Question 6 of 40

❌ - substance that cannot be changed into simpler substances by chemical means

Drag and drop to complete the text.

Explanation

Question 7 of 40

❌ - process in which substances are changed into different substances

Drag and drop to complete the text.

Explanation

Question 8 of 40

❌ - gaseous state of substance that is a liquid or solid at room temperature

Drag and drop to complete the text.

Explanation

Question 9 of 40

❌ - starting substance in a chemical reaction

Drag and drop to complete the text.

Explanation

Question 10 of 40

❌ - a substance formed in a chemical reaction

Drag and drop to complete the text.

Explanation

Question 11 of 40

❌ - a physical blend of two or more components

Drag and drop to complete the text.

Explanation

Question 12 of 40

❌ - part of a sample having uniform composition and properties

Drag and drop to complete the text.

Explanation

Question 13 of 40

❌ - not uniform in composition

Drag and drop to complete the text.

Explanation

Question 14 of 40

What do chemical symbols and formulas represent, respectively?

Select one of the following:

Explanation

Question 15 of 40

Which of the following represents a compound?

Select one of the following:

Explanation

Question 16 of 40

Which state of matter expands when heated and is easy to compress?

Select one of the following:

Explanation

Question 17 of 40

which of the following may have more than one phase?

Select one of the following:

Explanation

Question 18 of 40

The chemical symbol for iron is ___.

Select one of the following:

Explanation

Question 19 of 40

Which of the following is a homogeneous mixture?

Select one of the following:

Explanation

Question 20 of 40

In the chemical reaction in which sucrose is heated and decomposes to form carbon dioxide and water, which of the following is a reactant?