What are the three states of mattter?
a). solids, liquids, and gas
b). ice, water, and steam
c). temperature, pressure, and energy
d). hot, cold, and warm
a. solids, liquids, and gas
100
What is it called when a solid turns directly into a gas?
a). sublimation
b). vaporization
c). melting
d). fusion
a. sublimation
100
What of the following is not a characteristics of an acid?
a). an acid changes the color of an indicator
b). an acid has a bitter taste
c). an acid ionizes in water
d). an acid produces hydronium ions in water
b. an acid has a bitter taste
100
Which one is an acid?
a). milk (pH = 6.5)
b). pure water (pH= 7)
c). blood (pH= 7.4)
d). detergent (pH= 10)
a. milk (pH = 6.5)
100
The freezing point and melting point are the same temperature
a). True
b). False
a. True
200
Compared to ice, how do molecules of liquid water behave?
a). They move less freely
b). they are locked into a crystal lattice
c). they move more freely
d). they bounce off one another randomly
c. they move more freely
200
The change of state (phase) from a gas to a liquid is called
a). evaporation
b). freezing
c). condensation
d). melting
c. condensation
200
Which of the following is not characteristics of bases
a). they are bitter
b). they are slippery when touched
c). they have pH less than 7
d). they turn the litmus paper blue
c. they have pH less than 7
200
Which pH indicates or shows a strong acid?
a). pH= 2
b). pH= 4
c). pH= 4.5
d). pH= 6
a. pH= 2
200
The boiling point and condensation point are not the same temperature
a). true
b). false
b. false
300
What is matter?
a). anything that is visible
b). anything that has mass and takes up space
c). anything that reflects light
d). anything that absorbs light
b. anything that has mass and takes up space
300
The formation of frost is an example of
a). condensation
b). evaporation
c). deposition
d). melting point
c. deposition
300
Which acid is used in stomach?
a). hydrochloric acid
b). phosphoric acid
c). nitric acid
d). sulfuric acid
a. hydrochloric acid
300
What is the most likely pH of a tube of toothpaste?
a). 3
b). 5
c). 7
d). 9
d. 9
300
The melting point of water is 0 degree celsius. This is the same as its
a). boiling point
b). vaporization point
c). fusion point
d). freezing point
d. freezing point
400
What do water vapor, liquid water, and ice have in common?
a). the same crystal lattice structure
b). the same amount of energy
c). the same physical properties
d). the same chemical properties
d. the same chemical properties
400
Which of these can happen due to a decrease in the average energy of a liquid's particle?
a). vaporization
b). evaporation
c). a random arrangement
d). freezing
d. freezing
400
Which one of the following terms falls under the category of bases?
a). slippery
b). dissolves metal
c). H+
d). lemons
a. slippery
400
An extremely strong base would have a pH of
a) 1
b) 7
c) 9
d) 14
d) 14
400
The graph that shows the pressure and temperature condition under which the phases of a substance exists is called
a). a phase diagram
b). a vapor pressure curve
c). a unit cell
d). the kinetic-molecular theory of matter
a. a phase diagram
500
Which of the following is not a property of a typical solid?
a). definite melting point
b). high density
c). easily compressible
d). low rate of diffusion
c. easily compressible
500
What is the easiest way to add energy to matter?
a). heating it
b). cooling it
c). decreasing pressure
d). decreasing temperature
a. heating it
500
Which one is the strongest acid
a). pH=1
b). pH= 3
c). pH= 5
d). pH= 6
a. pH=1
500
pH stands for
a) potency of hydrogen
b) Plurality of hydrogen
c) Potential of hydrogen
d) Pleurisy of hydrogen
c) Potential of hydrogen
500
During an endothermic process
a). heat is added to a substance
b). the average kinetic energy (temperature) increases
c). substance absorbs energy from its surrounding
d). all of the above