Question 1

Match every equation with its type.
-Mg + HBr $\rightarrow$ MgBr2 + H2

Accepted Answer

A) Combination 
B) Double replacement 
C) Decomposition 
D) Combustion 
A) Combination 
B) Double replacement 
C) Decomposition 
D) Combustion

Question 2

The spectator ions in the following precipitation equation are ________. Pb(NO₃)2+ 2KI → PbI₂ + 2KNO₃

Accepted Answer

A)  Pb2+ and I- 
B)  K+ and NO₃- 
C)  K+ and I- 
D)  Pb2+ and NO₃- 
A)  Pb2+ and I- 
B)  K+ and NO₃- 
C)  K+ and I- 
D)  Pb2+ and NO₃-

Question 3

Predict whether each of the compounds is water soluble or insoluble.
-ammonium phosphate

Accepted Answer

A) water insoluble 
B) water soluble 
A) water insoluble 
B) water soluble

Question 4

Match every equation with its type.
-NaCl +AgNO₃ →

Accepted Answer

A) Combination 
B) Double replacement 
C) Decomposition 
D) Combustion 
A) Combination 
B) Double replacement 
C) Decomposition 
D) Combustion

Question 5

Which of the following has 6 as one of the coefficients when the equation is balanced?

Accepted Answer

A)  H₂SO₄ + Al(OH)3 → AL₂(SO₄)3 + H₂O 
B)  C₂H₆O +O₂ → CO₂ + H₂O 
C)  Mg + HCl → H₂ + MgCL₂ 
D)  Al(OH)3 + HCl → AlCL₃ + H₂O 
A)  H₂SO₄ + Al(OH)3 → AL₂(SO₄)3 + H₂O 
B)  C₂H₆O +O₂ → CO₂ + H₂O 
C)  Mg + HCl → H₂ + MgCL₂ 
D)  Al(OH)3 + HCl → AlCL₃ + H₂O

Question 6

Predict whether each of the compounds is water soluble or insoluble.
-potassium nitrate

Accepted Answer

A) water insoluble 
B) water soluble 
A) water insoluble 
B) water soluble

Question 7

In a combination reaction two or more compounds yield two or more compounds.

Accepted Answer

A) True 
 B)False

Question 8

All hydroxides are insoluble in water.

Accepted Answer

A) True 
 B)False

Question 9

It takes ________ mole(s) of sulfuric acid to neutralize ________ moles of aluminum hydroxide.

Accepted Answer

A)  2; 3 
B)  3; 2 
C)  1; 2 
D)  1; 1 
A)  2; 3 
B)  3; 2 
C)  1; 2 
D)  1; 1

Question 10

Match every equation with its type.
-Na₂SO₄ + PbCL₂ → PbSO₄ + NaCl

Accepted Answer

A) Combination 
B) Double replacement 
C) Decomposition 
D) Combustion 
A) Combination 
B) Double replacement 
C) Decomposition 
D) Combustion

Question 11

The precipitate formed when sodium chloride and lead (II) nitrate are placed in a test tube is ________.

Accepted Answer

A)  lead (II) chloride 
B)  sodium nitrate 
C)  lead (II) hydroxide 
D)  No precipitate will be formed. 
A)  lead (II) chloride 
B)  sodium nitrate 
C)  lead (II) hydroxide 
D)  No precipitate will be formed.

Question 12

Which of the following salts is insoluble in water?

Accepted Answer

A)  K₂SO₄ 
B)  AgNO₃ 
C)  CaCO₃ 
D)  Na3PO₄ 
A)  K₂SO₄ 
B)  AgNO₃ 
C)  CaCO₃ 
D)  Na3PO₄

Question 13

Match each of the acids with a use or alternative name.
-hydrofluoric acid

Accepted Answer

A) used to dissolve metals 
B) found in lemons 
C) used to clean steel, also known as muriatic acid 
D) used in car batteries 
E) used to etch glass
F)is the active ingredient in vinegar 
A) used to dissolve metals 
B) found in lemons 
C) used to clean steel, also known as muriatic acid 
D) used in car batteries 
E) used to etch glass
F)is the active ingredient in vinegar

Question 14

Ammonium phosphate is soluble in water, but ammonium carbonate is insoluble in water.

Accepted Answer

A) True 
 B)False

Question 15

When aqueous solutions of sodium nitrate and potassium chloride are mixed, the spectator ions are ________.

Accepted Answer

A)  potassium and nitrate 
B)  sodium and chloride 
C)  both A and B 
D)  no spectator ions are present 
A)  potassium and nitrate 
B)  sodium and chloride 
C)  both A and B 
D)  no spectator ions are present

Question 16

Match every equation with its type.
-NaClO₃ → NaCl + O₂

Accepted Answer

A) Combination 
B) Double replacement 
C) Decomposition 
D) Combustion 
A) Combination 
B) Double replacement 
C) Decomposition 
D) Combustion

Question 17

Match each of the acids with a use or alternative name.
-hydrochloric acid

Accepted Answer

A) used to dissolve metals 
B) found in lemons 
C) used to clean steel, also known as muriatic acid 
D) used in car batteries 
E) used to etch glass
F)is the active ingredient in vinegar 
A) used to dissolve metals 
B) found in lemons 
C) used to clean steel, also known as muriatic acid 
D) used in car batteries 
E) used to etch glass
F)is the active ingredient in vinegar

Question 18

Which of the following statements is correct about a superconductor?

Accepted Answer

A)  It possesses the extraordinary property, when cooled, to have a magnet float as if defying gravity. 
B)  It conducts electricity with zero resistance. 
C)  It prevents magnetic field lines from penetrating it. 
D)  All of the above statements are correct about a superconductor. 
A)  It possesses the extraordinary property, when cooled, to have a magnet float as if defying gravity. 
B)  It conducts electricity with zero resistance. 
C)  It prevents magnetic field lines from penetrating it. 
D)  All of the above statements are correct about a superconductor.

Question 19

Which chloride is soluble in water?

Accepted Answer

A)  lead (II) chloride 
B)  calcium chloride 
C)  mercury (I) chloride 
D)  silver chloride 
A)  lead (II) chloride 
B)  calcium chloride 
C)  mercury (I) chloride 
D)  silver chloride

Question 20

Which sulfide is insoluble in water?

Accepted Answer

A)  lead (II) sulfide 
B)  potassium sulfide 
C)  ammonium sulfide 
D)  sodium sulfide 
A)  lead (II) sulfide 
B)  potassium sulfide 
C)  ammonium sulfide 
D)  sodium sulfide

Match every equation with its type. -Mg + HBr $\rightarrow$ MgBr₂ + H₂

The spectator ions in the following precipitation equation are ________. Pb(NO₃)2+ 2KI → PbI₂ + 2KNO₃

Predict whether each of the compounds is water soluble or insoluble. -ammonium phosphate

Match every equation with its type. -NaCl +AgNO₃ →

Which of the following has 6 as one of the coefficients when the equation is balanced?

Predict whether each of the compounds is water soluble or insoluble. -potassium nitrate

In a combination reaction two or more compounds yield two or more compounds.

All hydroxides are insoluble in water.

It takes mole(s) of sulfuric acid to neutralize moles of aluminum hydroxide.

Match every equation with its type. -Na₂SO₄ + PbCL₂ → PbSO₄ + NaCl

The precipitate formed when sodium chloride and lead (II) nitrate are placed in a test tube is ________.

Which of the following salts is insoluble in water?

Match each of the acids with a use or alternative name. -hydrofluoric acid

Ammonium phosphate is soluble in water, but ammonium carbonate is insoluble in water.

When aqueous solutions of sodium nitrate and potassium chloride are mixed, the spectator ions are ________.

Match every equation with its type. -NaClO₃ → NaCl + O₂

Match each of the acids with a use or alternative name. -hydrochloric acid

Which of the following statements is correct about a superconductor?

Which chloride is soluble in water?

Which sulfide is insoluble in water?

What Is Chemistry

The Numerical Side of Chemistry

The Evolution of Atomic Theory

The Modern Model of the Atom

Chemical Bonding and Nomenclature

The Shape of Molecules

Intermolecular Forces and the Phases of Matter

Stoichiometry and the Mole

Electron Transfer in Chemical Reactions

What If There Were No Intermolecular Forces - the Ideal Gas

Solutions

When Reactants Turn Into Products

Chemical Equilibrium

Electrolytes, Acids, and Bases

Nuclear Chemistry

The Chemistry of Carbon

Synthetic and Biological Polymers

Filters

Exam 8: Chemical Reactions

Match every equation with its type. -Mg + HBr →\rightarrow→ MgBr2 + H2

The spectator ions in the following precipitation equation are ________. Pb(NO₃)2+ 2KI → PbI₂ + 2KNO₃

Predict whether each of the compounds is water soluble or insoluble. -ammonium phosphate

Match every equation with its type. -NaCl +AgNO₃ →

Which of the following has 6 as one of the coefficients when the equation is balanced?

Predict whether each of the compounds is water soluble or insoluble. -potassium nitrate

In a combination reaction two or more compounds yield two or more compounds.

All hydroxides are insoluble in water.

It takes ________ mole(s) of sulfuric acid to neutralize ________ moles of aluminum hydroxide.

Match every equation with its type. -Na₂SO₄ + PbCL₂ → PbSO₄ + NaCl

The precipitate formed when sodium chloride and lead (II) nitrate are placed in a test tube is ________.

Which of the following salts is insoluble in water?

Match each of the acids with a use or alternative name. -hydrofluoric acid

Ammonium phosphate is soluble in water, but ammonium carbonate is insoluble in water.

When aqueous solutions of sodium nitrate and potassium chloride are mixed, the spectator ions are ________.

Match every equation with its type. -NaClO₃ → NaCl + O₂

Match each of the acids with a use or alternative name. -hydrochloric acid

Which of the following statements is correct about a superconductor?

Which chloride is soluble in water?

Which sulfide is insoluble in water?

What Is Chemistry

The Numerical Side of Chemistry

The Evolution of Atomic Theory

The Modern Model of the Atom

Chemical Bonding and Nomenclature

The Shape of Molecules

Intermolecular Forces and the Phases of Matter

Stoichiometry and the Mole

Electron Transfer in Chemical Reactions

What If There Were No Intermolecular Forces - the Ideal Gas

Solutions

When Reactants Turn Into Products

Chemical Equilibrium

Electrolytes, Acids, and Bases

Nuclear Chemistry

The Chemistry of Carbon

Synthetic and Biological Polymers

Filters

Match every equation with its type. -Mg + HBr $\rightarrow$ MgBr₂ + H₂

It takes mole(s) of sulfuric acid to neutralize moles of aluminum hydroxide.