CHEMISTRY 121 EXAM 1 EXAM WITH
CORRECT QUESTIONS AND ANSWERS
2025
What are the three states of matter? - CORRECT-ANSWERSsolid, liquid and gas
___ is the study of properties and behavior of matter. - CORRECT-ANSWERSchemistry
___ is the physical material of the universe. It is also anything the has mass and occupies space.
- CORRECT-ANSWERSmatter
__ is matter that is made up of one "thing" - CORRECT-ANSWERSpure substance
__ is a mixture that doesn't have the same composition, properties, and appearance
throughout. - CORRECT-ANSWERSheterogeneous
__ is a mixture that is uniform throughout. - CORRECT-ANSWERShomogeneous
Solid to a gas is - CORRECT-ANSWERSsublimation
Gas to a solid is - CORRECT-ANSWERSdeposition
Liquid to a solid is - CORRECT-ANSWERSfreezing
Liquid to a gas is - CORRECT-ANSWERSvaporization
Gas to a liquid is - CORRECT-ANSWERScondensation
Solid to a liquid is - CORRECT-ANSWERSmelting
, What two things make up pure substances? - CORRECT-ANSWERSelements and compounds
(molecules)
How many known elements are there? - CORRECT-ANSWERS118
What are most elements? - CORRECT-ANSWERSmonatomic
What seven elements are diatomic? - CORRECT-ANSWERSH2, F2, Cl2, I2, O2, N2, BI2,
Which of the following are heterogeneous? Magnesium, concrete, seawater, milkshake. -
CORRECT-ANSWERSconcrete & milkshake
__ precipitate less soluble component and separate solid from liquid - CORRECT-
ANSWERSfiltration
___ separate by boiling point - CORRECT-ANSWERSdistillation
__ separate by solubility or attraction (chemical property) - CORRECT-
ANSWERSchromatography
__ depends upon amount of sample: (mass, volume, length) - CORRECT-ANSWERSextensive
__ does not depend on amount of sample: (color, temperature, melting point, density) -
CORRECT-ANSWERSintensive
__ __ __ __ are determined by studying how substances change or react to make new
substances and to give off or absorb energy. - CORRECT-ANSWERSchemical properties of matter
CORRECT QUESTIONS AND ANSWERS
2025
What are the three states of matter? - CORRECT-ANSWERSsolid, liquid and gas
___ is the study of properties and behavior of matter. - CORRECT-ANSWERSchemistry
___ is the physical material of the universe. It is also anything the has mass and occupies space.
- CORRECT-ANSWERSmatter
__ is matter that is made up of one "thing" - CORRECT-ANSWERSpure substance
__ is a mixture that doesn't have the same composition, properties, and appearance
throughout. - CORRECT-ANSWERSheterogeneous
__ is a mixture that is uniform throughout. - CORRECT-ANSWERShomogeneous
Solid to a gas is - CORRECT-ANSWERSsublimation
Gas to a solid is - CORRECT-ANSWERSdeposition
Liquid to a solid is - CORRECT-ANSWERSfreezing
Liquid to a gas is - CORRECT-ANSWERSvaporization
Gas to a liquid is - CORRECT-ANSWERScondensation
Solid to a liquid is - CORRECT-ANSWERSmelting
, What two things make up pure substances? - CORRECT-ANSWERSelements and compounds
(molecules)
How many known elements are there? - CORRECT-ANSWERS118
What are most elements? - CORRECT-ANSWERSmonatomic
What seven elements are diatomic? - CORRECT-ANSWERSH2, F2, Cl2, I2, O2, N2, BI2,
Which of the following are heterogeneous? Magnesium, concrete, seawater, milkshake. -
CORRECT-ANSWERSconcrete & milkshake
__ precipitate less soluble component and separate solid from liquid - CORRECT-
ANSWERSfiltration
___ separate by boiling point - CORRECT-ANSWERSdistillation
__ separate by solubility or attraction (chemical property) - CORRECT-
ANSWERSchromatography
__ depends upon amount of sample: (mass, volume, length) - CORRECT-ANSWERSextensive
__ does not depend on amount of sample: (color, temperature, melting point, density) -
CORRECT-ANSWERSintensive
__ __ __ __ are determined by studying how substances change or react to make new
substances and to give off or absorb energy. - CORRECT-ANSWERSchemical properties of matter
