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Chem 121 Exam 1 Actual Test Paper Questions Correct Answers Graded A Plus

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Chem 121 Exam 1 Actual Test Paper Questions Correct Answers Graded A Plus

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CHEM 121 EXAM 1 ACTUAL TEST PAPER QUESTIONS CORRECT ANSWERS GRADED A PLUS

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CHEM 121 EXAM 1 ACTUAL TEST PAPER QUESTIONS CORRECT ANSWERS GRADED A
PLUS
CHEM 121 EXAM 1 Questions and Answers Verified
Solutions Latest Update 2026/2027

Question:
What are the three states of matter?

Answer:
solid, liquid and gas

Question:
___ is the study of properties and behavior of matter.

Answer:
chemistry

Question:
___ is the physical material of the universe. It is also anything the has mass and occupies space.

Answer:
matter

Question:
__ is matter that is made up of one "thing"

Answer:
pure substance

Question:
__ is a mixture that doesn't have the same composition, properties, and appearance throughout.

Answer:

,heterogeneous

Question:
__ is a mixture that is uniform throughout.

Answer:
homogeneous

Question:
Solid to a gas is

Answer:
sublimation

Question:
Gas to a solid is

Answer:
deposition

Question:
Liquid to a solid is

Answer:
freezing

Question:
Liquid to a gas is

Answer:
vaporization

, Question:
Gas to a liquid is

Answer:
condensation

Question:
Solid to a liquid is

Answer:
melting

Question:
What two things make up pure substances?

Answer:
elements and compounds (molecules)

Question:
How many known elements are there?

Answer:
118

Question:
What are most elements?

Answer:
monatomic

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Uploaded on: July 27, 2026
Number of pages: 18
Written in: 2025/2026
Type: Exam (elaborations)
Contains: Questions & answers

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