WorksheetsCBA 5 Review part 2
Total questions: 50
Worksheet time: 46mins
Name
Class
Date
1.
The pH scale is a range from:
a)
1-7
b)
1-14
c)
1-5
d)
1-20
2.
This indicates a basic substance:
a)
[H+]>[OH-]
b)
[H+]:[OH-]
c)
[H+]<[OH-]
3.
[H+] x [OH-] = ?
a)
1.0x107
b)
1.0x1014
c)
1.0x10-7
d)
1.0x10-14
4.
This uses a log function to describe the concentration of hydronium ions in a solution:
a)
pOH
b)
pH
c)
acid
d)
base
5.
What is the name of this ion: H3O+?
a)
helium ion
b)
hydrogen ion
c)
hepatic ion
d)
hydronium ion
6.
This is the process of mixing an acid and a base to determine an unknown concentration using an indicator.
a)
acid base reaction
b)
reactivity
c)
electronegativiey
d)
titration
7.
The pOH of sea water is 5.9. What is its pH?
a)
0.0000000083
b)
0.0000013
c)
5.9
d)
8.1
8.
The hydroxide ion is a soft drink is 5.00 x 10-12 M. Find the pH.
a)
0.002
b)
2.7
c)
11.3
d)
14
9.
______ is a chemical reaction between an acid and a base taking place in a water solution.
a)
Titration
b)
Negative ions from a acid combining with positive ions from a base
c)
Neutralization
d)
An acid reacting with metals
10.
What is the conjugate acid in the following equation?
a)
PO43-
b)
HNO3
c)
NO3-
d)
HPO42-
11.
What is the conjugate base in the following reaction?
a)
HCO3-
b)
HCl
c)
H2CO3
d)
Cl-
12.
The pH of a 0.001 M solution of HCl is
a)
11
b)
3
c)
-3
d)
-11
13.
BASE + ACID ----> SALT +?
a)
water
b)
oxygen
c)
hydrogen ion
d)
hydroxide ion
14.
An acid/base reaction always produces:
a)
H2
b)
H2O
c)
NaCl
d)
H3O+
15.
Which salt is LEAST soluble at 0 ºC?
a)
K2Cr2O7
b)
KNO3
c)
KClO3
d)
Ce2(SO4)3
16.
When 50 grams of potassium chloride, KCl, is dissolved in 100 grams of water at 50 ºC, the solution can be correctly described as:
a)
supersaturated
b)
unsaturated
c)
saturated
17.
At approximately what temperature does the solubility of sodium chloride, NaCl, match the solubility of potassium dichromate, K2Cr2O7?
a)
60 ºC
b)
30 ºC
c)
50 ºC
d)
83 ºC
18.
Which of these salts decreases in solubility as the temperature increases.
a)
Ce2(SO4)3
b)
KClO3
c)
K2Cr2O7
d)
KNO3
19.
Is this sodium carbonate soluble?
a)
yes
b)
no
20.
Is lead nitrate soluble?
a)
yes
b)
no
21.
What is the precipitate formed when you mix silver nitrate with copper chloride?
a)
copper nitrate
b)
copper chloride
c)
silver chloride
d)
silver nitrate
22.
What is the molarity of a solution made from 325.4g of AlCl3 with enough water to make 500.0 mL?
a)
4.88 M
b)
4.880 M
c)
2.440 M
d)
2.44 M
23.
This is a heterogeneous mixture in which particles settle out unless it is constantly stirred.
a)
colloid
b)
suspension
c)
solution
d)
alloy
24.
Which of the following is an electrolyte?
a)
sodium chloride
b)
sugar (carbon, oxygen, hydrogen)
c)
water (hydrogen and water)
d)
sand (silicon and oxygen)
25.
An example of a nonelectrolyte is
a)
sugar water
b)
salt water
c)
sodium chloride
d)
hydrogen chloride
26.
Two liquids that do not dissolve (form a homogeneous mixture) when mixed are called
a)
immiscible
b)
miscible
c)
mixable
d)
immixable
27.
Water is a universal solvent
a)
true
b)
false
28.
A ______ is the substance being dissolved in a solution.
a)
solvent
b)
insolvent
c)
substrate
d)
solute
29.
The _____________ is the one doing the dissolving (water).
a)
solvent
b)
solute
c)
mixture
d)
reatants
30.
The other component of a solution is the part that does the dissolving. What is the name of this component?
a)
solvent
b)
solution
c)
solute
d)
oxidation
31.
NiCl2
a)
Soluble
b)
Insoluble
32.
PbI2
a)
Soluble
b)
Insoluble
33.
Silver acetate
a)
Soluble
b)
Insoluble
34.
Silver Iodide
a)
Soluble
b)
Insoluble
35.
In which state of matter are the particles only vibrating?
a)
Gas
b)
Liquid
c)
Solid
d)
Plasma
36.
In which state of matter are the particles moving the least random
a)
Gas
b)
Liquid
c)
Solid
d)
Plasma
37.
If you spray air freshener on side of the room, why is there a delay for the smell to reach the other side of the room?
a)
Attractive forces between air and air freshener particles
b)
Not enough air freshener particles
c)
Because the particles like where they are at
d)
Collisions between air and air freshener particles
38.
Standard temperature and pressure (STP) is defined as
a)
O .C and 1.0 atm pressure
b)
0.C and 273 mmHg pressure
c)
0K and 1.0 atm pressure
d)
0K and 760 mmHg pressure
39.
The random molecular motion of a substance is greatest when the substance is
a)
condensed
b)
frozen
c)
gas
d)
a liquid
40.
When a cold tire is inflated to a certain pressure and then is warmed up due to friction with the road, the pressure increases. This happens because the
a)
air molecules hit the walls of the tire less frequently
b)
rubber in the tires reacts with oxygen in the atmosphere
c)
air molecules speed up and collide with the tire walls more often
d)
air molecules diffuse rapidly through the walls of the tire.
41.
Standard temperature and pressure (STP) is defined as
a)
O .C and 1.0 atm pressure
b)
0.C and 273 mmHg pressure
c)
0K and 1.0 atm pressure
d)
0K and 760 mmHg pressure
42.
What is the definition of Kinetic Molecular Model?
a)
The theory that states the movement of particles will determine what state of matter an object is in.
b)
Something which the particles are barely moving.
c)
The particles that move slower than a gas, but not as slow as a solid. It moves faster and more freely than a solid.
d)
Albert Einstein, in his theory of specialrelativity, determined that the laws of physics are the same for all non-accelerating observers, and he showed that the speed of light within a vacuum is the same no matter the speed at which an observer travels. (ww.space.com)
43.
True or false: The lower the temperature, the more the atoms move.
a)
True
b)
False
44.
What happens to the average kinetic energy of matter when it is heated?
a)
It increases
b)
It decreases
c)
It doesn't change
d)
It cannot be determined
45.
In the ideal gas law, which variable represents the gas constant?
a)
n
b)
R
c)
T
d)
V
46.
In the ideal gas law, what does the variable n represent?
a)
gas constant
b)
moles
c)
Temperature
d)
Volume
47.
What type of relationship is Charles' Law?
a)
Inverse
b)
Direct
c)
Not enough information
d)
#goals
48.
In the ideal gas law, which variable represents the gas constant?
a)
n
b)
R
c)
T
d)
V
49.
All matter consists of tiny particles that are in constant motion is referred to as __________
a)
Kinetic Energy
b)
Kinetic molecular theory
c)
absolute zero
d)
Pressure
50.
If a balloon is cooled what will happen to the volume?
a)
Volume will increase
b)
Volume will decrease
c)
Volume will not change
100 %
