Chemistry Final
Chemistry Final
- 1.
What is the measure of the concentration of H3O+ ions in a given solution?
- A.
POH
- B.
PH
- C.
Weak base
- D.
Strong acid
Correct Answer
D. Strong acid -
- 2.
What is the formula for Sodium Hydroxide? a. Na(OH)2 b. NaHO c. NaH d. NaOH e. none of the above
- A.
A
- B.
B
- C.
C
- D.
D
- E.
E
Correct Answer
D. D -
- 3.
This equation is balanced and represents a neutralization reaction. HCL (aq) + 2NaOH (aq) --> NaCl (aq) + H2O (l)
- A.
True balanced, but not a neutralization reaction
- B.
True
- C.
False
Correct Answer
B. True -
- 4.
What is the name of H2CrO4?
- A.
Carbonic acid
- B.
Chromatic acid
- C.
Chromic acid
Correct Answer
C. Chromic acid -
- 5.
What are the products in an acid / base reaction?
- A.
Hydrogen gas and water
- B.
Hydronium ions and hydroxide ions
- C.
A salt and water
Correct Answer
C. A salt and water -
- 6.
Write the name of the compound CCl4
- A.
Carbon Tetrachlorate
- B.
Carbon Chloride
- C.
Carbonic Acid
- D.
Carbon Tetrachloride
Correct Answer
D. Carbon Tetrachloride -
- 7.
Using only the periodic table, list the following elements according to increasing electronegativity: Ca, Cs, F, Si
- A.
F, Si, Ca, Cs
- B.
Cs, Ca, Si, F
- C.
Cs, Si, F, Ca
- D.
F, Cs, Ca, Si
Correct Answer
B. Cs, Ca, Si, F -
- 8.
Elements in the middle of the periodic table are ___
- A.
Alkaline Earth Metals
- B.
Rare Earth Metals
- C.
Halogens
- D.
Transition Metalloids
- E.
None of the Above
Correct Answer
E. None of the Above -
- 9.
Horizontal rows of elements are called ______; Vertical columns of elements are called _______.
- A.
Periods, columns
- B.
Periods, trends
- C.
Periods, groups
- D.
Groups, periods
Correct Answer
C. Periods, groups -
- 10.
Write the name of the compound H2SO4
- A.
Hydrogen Sulfide
- B.
Sulfurous Hydride
- C.
Sulfuric Acid
- D.
DiHydrogen TetraSulfate
Correct Answer
C. Sulfuric Acid -
- 11.
The _______ is the complete arrangement of electrons in an atom and determines how the atom will chemically bond and influences the orientation of its orbital in space, and its spin.
- A.
Electron configuration
- B.
Orbital science
- C.
Chemical properties of an atom
Correct Answer
A. Electron configuration -
- 12.
What is the correct formula for Lead IV Nitrate? A. Pb2(NO3)2 B. Pb2(NO3)3 C. Pb(NO3)2 D. Pb4(NO3)2
- A.
A
- B.
B
- C.
C
- D.
D
Correct Answer
C. C -
- 13.
What is the name of the OH- ion?
- A.
Anhydride
- B.
Oxide
- C.
None of the above
Correct Answer
C. None of the above -
- 14.
What is the name of the CO3-2 ion?
- A.
Bicarbonate
- B.
Bicarboxide
- C.
Carbonate
- D.
Carbonite
Correct Answer
C. Carbonate -
- 15.
What coefficient is needed in front of NH3 in order for the following equation to be balanced? N2 + H2 → NH3
- A.
2
- B.
3
- C.
4
- D.
6
Correct Answer
A. 2 -
- 16.
In the electron cloud model of an atom, what accounts for most of the volume?
- A.
Electrons
- B.
Empty space
- C.
Neutrons
- D.
Protons
Correct Answer
B. Empty space -
- 17.
When iron is exposed to air and moisture, it corrodes or rusts. Examine the equation below for the formation of hydrated iron (III) oxide: __Fe + __O2 + __H2O → __Fe2O3+ 3H2O How many molecules of water are contained in the product?
- A.
2
- B.
3
- C.
6
- D.
1
Correct Answer
B. 3 -
- 18.
In which situation is a chemical reaction occurring?
- A.
Salt dissolving in water
- B.
A nail rusting
- C.
Ice melting
- D.
A glass window breaking
Correct Answer
B. A nail rusting -
- 19.
H2SO4 + KOH → K2SO4 + H2O Cu + 2AgNO3 → Cu(NO3)2 + 2Ag NiCl2 + NaOH → Ni(OH)2 + 2NaCl\ H2 + O2 → 2H2O All of the equations above show what?
- A.
Reactants combining with products to produce a new substance
- B.
No chemical changes occurring
- C.
Physical changes taking place
- D.
Reactants combining to produce new substances
Correct Answer
D. Reactants combining to produce new substances -
- 20.
Propane, C3H8(g), burns in oxygen to form carbon dioxide and water. Which equation correctly shows this reaction? a. C3H8 + O2 → CO2 + H2O b. C3H8 + 5O2 → 3CO2 + 4H2O c. C3H8 + 5O2 → CO2 + 4H2O d. 2C3H8 + 5O2 → 3CO2 + 4H2O
- A.
A
- B.
B
- C.
C
- D.
D
Correct Answer
B. B -
- 21.
Fossil fuels that contain carbon, such as coal, petroleum and natural gas, combine with oxygen to produce carbon dioxide gas and energy often in the form of heat. These processes are example of which type of reactions?
- A.
Endothermic reactions
- B.
Exothermic reaction
- C.
Metabolic reactions
- D.
Replacement reactions
Correct Answer
B. Exothermic reaction -
- 22.
What coefficient is needed in front of NH3 in order for the following equation to be balanced? N2 + H2 → NH3
- A.
2
- B.
3
- C.
4
- D.
5
Correct Answer
A. 2 -
- 23.
Propane, C3H8 (g), burns in oxygen to form carbon dioxide and water. Which equation correctly shows this reaction? a. C3H8 + O2 → CO2 + H2O b. C3H8 + 5O2 → 3CO2 + 4H2O c. C3H8 + 5O2 → CO2 + 4H2O d. 2C3H8 + 5O2 → 3CO2 + 4H2O
- A.
A
- B.
B
- C.
C
- D.
D
Correct Answer
B. B -
- 24.
In which situation is a chemical reaction occurring?
- A.
Salt dissolving in water
- B.
A nail rusting
- C.
Ice melting
- D.
a glass window breaking
Correct Answer
B. A nail rusting -
- 25.
Given the unbalanced equation ___Fe2O3 + ___CO → ___Fe + ___CO2 When the equation is correctly balanced, using the smallest whole-number coefficients, what is the coefficient of CO2? a. 1 b. 2 c. 3 d. 4
- A.
1
- B.
2
- C.
3
- D.
4
Correct Answer
B. 2 -
- 26.
Fossil fuels that contain carbon, such as coal, petroleum and natural gas, combine with oxygen to produce carbon dioxide gas and energy often in the form of heat. These processes are example of which type of reactions?
- A.
Endothermic reactions
- B.
Exothermic reaction
- C.
Metabolic reactions
- D.
Replacement reactions
Correct Answer
B. Exothermic reaction -
- 27.
All of the following are biological polymers except –
- A.
Proteins
- B.
Petroleum
- C.
Lipids
- D.
DNA
Correct Answer
B. Petroleum -
- 28.
All of the following are biological polymers except –
- A.
Proteins
- B.
Petroleum
- C.
Lipids
- D.
DNA
Correct Answer
B. Petroleum -
- 29.
What are the small units that make up polymers called?
- A.
Monomers
- B.
Plastics
- C.
Isomers
- D.
Proteins
Correct Answer
A. Monomers -
- 30.
A hydrocarbon is composed of –
- A.
Carbons only
- B.
Carbon, hydrogen, and other atoms
- C.
Carbon and hydrogen only
- D.
Carbon plus a variety of other elements
Correct Answer
C. Carbon and hydrogen only -
- 31.
What can a polar molecule dissolve?
- A.
Any solute
- B.
A nonpolar solute
- C.
A polar solute
- D.
No solute
Correct Answer
C. A polar solute -
- 32.
If a water solution conducts electricity, what must the solute be?
- A.
Solid
- B.
Liquid
- C.
Electrolyte
- D.
Nonelectrolyte
Correct Answer
C. Electrolyte -
- 33.
All of the following speed up the dissolving process except _______.
- A.
Stirring the solution
- B.
Increasing the size of the solid to be dissolved
- C.
Increasing the temperature of the solvent
- D.
Crushing the solid to be dissolve
Correct Answer
B. Increasing the size of the solid to be dissolved -
- 34.
What is the formula for aluminum sulfate? a. AlSO4 b. Al2SO4 c. Al2(SO4)3 d. Al(SO4)3
- A.
A
- B.
B
- C.
C
- D.
D
Correct Answer
C. C -
- 35.
Which is NOT an element?
- A.
He
- B.
N
- C.
NaCl
- D.
Mg
Correct Answer
C. NaCl -
- 36.
What is the atomic mass of the element cadmium (Cd)?
- A.
112
- B.
64
- C.
48
- D.
96
Correct Answer
A. 112 -
- 37.
How many electrons does an atom of the element mercury (Hg) have?
- A.
12
- B.
121
- C.
80
- D.
201
Correct Answer
C. 80 -
- 38.
What is the mass of an atom with 8 protons, 7 neutrons, and 8 electrons?
- A.
15 amu
- B.
7 amu
- C.
8 amu
- D.
23 amu
Correct Answer
A. 15 amu -
- 39.
Which of the following has six valence electrons?
- A.
Beryllium
- B.
Carbon
- C.
Oxygen
- D.
Neon
Correct Answer
C. Oxygen -
- 40.
Which process results in the tremendous energy given off by the Sun?
- A.
Combustion
- B.
Nuclear decay
- C.
Nuclear fission
- D.
Nuclear fusion
Correct Answer
D. Nuclear fusion -
- 41.
LAB / What volume of water must be added to 250ml of 7M HCl to produce 5M HCl? (Hint: M1V1 = M2V2)
- A.
100 ml
- B.
1000 ml
- C.
350 ml
- D.
250 ml
Correct Answer
A. 100 ml -
- 42.
LAB / What volume of water must be added to 250ml of 7M HCl to produce 5M HCl? (Hint: M1V1 = M2V2)
- A.
100 ml
- B.
1000 ml
- C.
350 ml
- D.
250 ml
Correct Answer
A. 100 ml -
- 43.
LAB / What volume of water must be added to 250ml of 7M HCl to produce 5M HCl? (Hint: M1V1 = M2V2)
- A.
100 ml
- B.
1000 ml
- C.
350 ml
- D.
250 ml
Correct Answer
A. 100 ml -
- 44.
LAB / Cr2O3 + 2Al → Al2O3 + 2Cr Chromium is produced by reacting chromium oxide with aluminum as shown in the above reaction. If 92.0 grams of Cr2O3 and 37.0 g of Al react completely to form 71.0 g of Al2O3, how many grams of Cr are produced?
- A.
37.0 g
- B.
58.0 g
- C.
129.0
- D.
104 g
Correct Answer
B. 58.0 g -
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Current Version
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Mar 21, 2022Quiz Edited by
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May 24, 2011Quiz Created by
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