CHM 2025 Unit 1 Practice Test 1A Final Exam Review questions and answers latest update Anything that has mass and occupies space is known as _____. A) energy B) matter C) weight D) temperature E) volume - n Ans B) matter Qs A sol

CHM 2025 Unit 1 Practice Test 1A Final Exam
Review questions and answers 2025\2026
latest update

Anything that has mass and occupies space is known as _____.
A) energy
B) matter
C) weight
D) temperature
E) volume - n
Ans✔
B) matter


Qs
A solution is an example of a(n).
A) homogeneous mixture
B) heterogeneous mixture
C) element
D) compound
E) pure substance - n
Ans✔
A) homogeneous mixture


Qs
Classify vinegar (vinegar contains 5% acetic acid (CH 3COOH) and 95% water.
A) compound
B) element
C) solution
D) heterogeneous mixture

,E) pure substance - n
Ans✔
C) solution


Qs
Which of the following substances is not an element?
A) steel
B) magnesium
C) aluminum
D) lead
E) tin - n
Ans✔
A) steel


Qs
Which of the following is a physical combination of two or more pure substances
that is not a uniformmix?
A) salt
B) air
C) sand
D) water
E) natural gas - n
Ans✔
C) sand


Qs
Density is _____.
A) A term that is synonymous with "heavy".
B) A physical property of a pure substance.
C) A term that refers to the thickness of a fog bank.

, D) The ratio of the volume of a substance to the mass.
E) The temperature of water - n
Ans✔
B) A physical property of a pure substance.


Qs
Mass and volume are _____ properties
A) physical
C) chemical
D) energy
E) the same - n
Ans✔
A) physical


Qs
A glass on the kitchen counter contains ice and water. Which statement is not true
with regards to this system.
A) The system is homogeneous.
B) The system possesses two phases.
C) The system can help quench a thirst.
D) The system is heterogeneous. - n
Ans✔
A) The system is homogeneous


Qs
Which one of the following is a chemical change?
A) A broken shoestring.
B) Dissolving salt in water.
C) Iron rusting.
D) Cutting the grass.