States of Matter (QUIZ 3) Flashcards
Anything that has mass and takes up space?
A) Mass
B) Matter
C) Weight
D) Molecule
B) Matter
Matter exists in four phases: solid, liquid, gas, or plasma. The phase depends on:
A) temperature and potential energy
B) temperature and volume
C) temperature and pressure
D) pressure and potential energy
C) temperature and pressure
The physical form in which a substance can exist?
A) Matter
B) Solid
C) State of Matter
D) Change of State
C) State of Matter
The change of a substance from one physical form to another?
A) Matter
B) Solid
C) State of Matter
D) Change of State
D) Change of State
Which of the following physical changes involve adding heat (endothermic) to a substance?
A) melting and boiling
B) boiling and condensing
C) condensing and freezing
D) evaporating and condensing
A) melting and boiling
Which of the following physical changes involve removing heat (exothermic) to a substance?
A) melting and boiling
B) boiling and condensing
C) condensing and freezing
D) evaporating and condensing
C) condensing and freezing
Which is classified as an element?
A) carbon dioxide
B) iron
C) vinegar
D) water
B) iron
Why is water classified as a compound?
A) Because it is an element, which consists of only one type of atom.
B) Because it is a substance, which can easily be separated.
C) Because it is a substance composed of two or more kinds of atoms bonded together.
D) Because it is an unevenly mixed solution, or a heterogeneous mixture.
C) Because it is a substance composed of two or more kinds of atoms bonded together.
Which phase of matter would particles of a substance spread apart and fill a space?
A) liquid
B) gas
C) solid
D) crystal
B) gas
Which of the following is true about liquids?
A) Molecules of a liquid condense when the liquid is heated.
B) Atoms of a liquid are tightly packed together into a definite shape.
C) Particles of a liquid move freely but maintain weak contact with one another.
D) The volume of a liquid can be decreased by increasing the pressure.
C) Particles of a liquid move freely but maintain weak contact with one another.
A patch of ice disappeared during a sunny winter day without forming a wet spot or puddle on the sidewalk. What probably occurred?
A) melting
B) sublimation
C) boiling
D) freezing
B) sublimation
Under “standard” or “normal” conditions (temperature and pressure), the following can NOT be used to identify pure substances:
A) freezing point and condensation point
B) melting point and boiling point
C) triple point and density
D) pH
D) pH
A substance was warmed as indicated by the attached graph. What process is occurring between points B and C?
A) sublimation
B) freezing
C) evaporation
D) melting
D) melting
A substance was warmed as indicated by the attached graph. What phase is occurring between points C and D?
A) plasma
B) liquid
C) gas
D) solid
B) liquid
At what point on the graph did the substance completely vaporize into a gas?
A) A
B) B
C) C
D) D
E) E
E
