Question 1

The precipitate formed when barium nitrate and potassium chromate are placed in a test tube is ________.

Accepted Answer

A)  barium nitrate 
B)  barium chromate 
C)  potassium nitrate 
D)  potassium chromate 
A)  barium nitrate 
B)  barium chromate 
C)  potassium nitrate 
D)  potassium chromate

Question 2

Match each of the equations with the correct relative coefficient ratio when the equation is balanced .
-CH? + Br2 ? CH?Br + HBr

Accepted Answer

A) 2: 3: 2: 4 
B) 1: 1: 1: 1 
C) 1: 3: 2: 2 
D) 1: 2: 2: 1 
E) 1: 2: 1: 1
F)1: 3: 3: 4 
A) 2: 3: 2: 4 
B) 1: 1: 1: 1 
C) 1: 3: 2: 2 
D) 1: 2: 2: 1 
E) 1: 2: 1: 1
F)1: 3: 3: 4

Question 3

Match each of the acids with a use or alternative name.
-acetic 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 4

Match the acid-base pairs.
-the conjugate base of H₂O

Accepted Answer

A) HNO₃ 
B) HCl 
C) SO₄2- 
D) OH- 
E) H₂SO₄
F)NO₂
G)H₃O+ 
A) HNO₃ 
B) HCl 
C) SO₄2- 
D) OH- 
E) H₂SO₄
F)NO₂
G)H₃O+

Question 5

In a gas-phase reaction ________.

Accepted Answer

A)  only the products are gases 
B)  only the reactants are gases 
C)  both the reactants and the products are gases 
D)  solids and liquids may be present, but at least one reagent must be a gas 
A)  only the products are gases 
B)  only the reactants are gases 
C)  both the reactants and the products are gases 
D)  solids and liquids may be present, but at least one reagent must be a gas

Question 6

Predict whether each of the compounds is water soluble or insoluble.
-lead (II) sulfate

Accepted Answer

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

Question 7

An alternative name for hydrochloric acid is muriatic acid.

Accepted Answer

A) True 
 B)False

Question 8

Predict whether each of the compounds is water soluble or insoluble.
-lithium acetate

Accepted Answer

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

Question 9

If the following ions Ca₂+, NO₃-, Na+ and SO₄2- are placed in a test tube, the precipitate formed is ________.

Accepted Answer

A)  NaNO₃ 
B)  CaSO₄ 
C)  Ca(NO₃)2 
D)  Na₂SO₄ 
A)  NaNO₃ 
B)  CaSO₄ 
C)  Ca(NO₃)2 
D)  Na₂SO₄

Question 10

When aqueous solutions of calcium hydroxide and hydrobromic acid are mixed, the spectator ions are ________.

Accepted Answer

A)  calcium and bromide 
B)  hydrogen and hydroxide 
C)  calcium and hydroxide 
D)  hydrogen and bromide 
A)  calcium and bromide 
B)  hydrogen and hydroxide 
C)  calcium and hydroxide 
D)  hydrogen and bromide

Question 11

Match each of the acids with a use or alternative name.
-citric 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 12

Match each of the acids with a use or alternative name.
-nitric 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 13

Which of the following equations is not a decomposition reaction?

Accepted Answer

A)  CaSO₄ ∙ 2H₂O → CaSO₄ + 2 H₂O 
B)  NaClO₃ → NaCl + O₂ 
C)  H₂O₂ → H₂O + O₂ 
D)  K + H₂O → KOH + H₂ 
A)  CaSO₄ ∙ 2H₂O → CaSO₄ + 2 H₂O 
B)  NaClO₃ → NaCl + O₂ 
C)  H₂O₂ → H₂O + O₂ 
D)  K + H₂O → KOH + H₂

Question 14

Match every equation with its type.
-CH₄ + O₂ → CO₂ + H₂O

Accepted Answer

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

Question 15

Which of the following is an example of a combination reaction?

Accepted Answer

A)  HCl + NaOH → NaCl + H₂O 
B)  Mg + HCl → H₂ + MgCL₂ 
C)  2 Na + CL₂ → 2NaCl 
D)  KClO₃ → KCl + O₂ 
A)  HCl + NaOH → NaCl + H₂O 
B)  Mg + HCl → H₂ + MgCL₂ 
C)  2 Na + CL₂ → 2NaCl 
D)  KClO₃ → KCl + O₂

Question 16

The coefficients in the balanced equation are 2: 2: 3.
KClO₃ → KCl + O₂

Accepted Answer

A) True 
 B)False

Question 17

Match the acid-base pairs.
-the conjugate acid of HSO₄-

Accepted Answer

A) HNO₃ 
B) HCl 
C) SO₄2- 
D) OH- 
E) H₂SO₄
F)NO₂
G)H₃O+ 
A) HNO₃ 
B) HCl 
C) SO₄2- 
D) OH- 
E) H₂SO₄
F)NO₂
G)H₃O+

Question 18

Predict whether each of the compounds is water soluble or insoluble.
-cobalt (II) sulfide

Accepted Answer

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

Question 19

Which of the following equations has 1:1:1:1 as the coefficient ratio when balanced?

Accepted Answer

A)  H₂SO₄ + KOH → K₂SO₄ + H₂O 
B)  Zn + HCl → H₂ + ZnCL₂ 
C)  CH₄ + O₂ → CO₂ + H₂O 
D)  NaOH + HCl → NaCl + H₂O 
A)  H₂SO₄ + KOH → K₂SO₄ + H₂O 
B)  Zn + HCl → H₂ + ZnCL₂ 
C)  CH₄ + O₂ → CO₂ + H₂O 
D)  NaOH + HCl → NaCl + H₂O

Question 20

Which ions are not spectator ions in the following precipitation equation? AgNO₃ + NaCl → AgCl + NaNO₃

Accepted Answer

A)  Ag+ and NO₃- 
B)  Na+ and NO₃- 
C)  Ag+ and Cl- 
D)  Na+ and Cl- 
A)  Ag+ and NO₃- 
B)  Na+ and NO₃- 
C)  Ag+ and Cl- 
D)  Na+ and Cl-

The precipitate formed when barium nitrate and potassium chromate are placed in a test tube is ________.

Match each of the equations with the correct relative coefficient ratio when the equation is balanced . -CH? + Br2 ? CH?Br + HBr

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

Match the acid-base pairs. -the conjugate base of H₂O

In a gas-phase reaction ________.

Predict whether each of the compounds is water soluble or insoluble. -lead (II) sulfate

An alternative name for hydrochloric acid is muriatic acid.

Predict whether each of the compounds is water soluble or insoluble. -lithium acetate

If the following ions Ca₂+, NO₃-, Na+ and SO₄2- are placed in a test tube, the precipitate formed is ________.

When aqueous solutions of calcium hydroxide and hydrobromic acid are mixed, the spectator ions are ________.

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

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

Which of the following equations is not a decomposition reaction?

Match every equation with its type. -CH₄ + O₂ → CO₂ + H₂O

Which of the following is an example of a combination reaction?

The coefficients in the balanced equation are 2: 2: 3. KClO₃ → KCl + O₂

Match the acid-base pairs. -the conjugate acid of HSO₄-

Predict whether each of the compounds is water soluble or insoluble. -cobalt (II) sulfide

Which of the following equations has 1:1:1:1 as the coefficient ratio when balanced?

Which ions are not spectator ions in the following precipitation equation? AgNO₃ + NaCl → AgCl + NaNO₃

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

The precipitate formed when barium nitrate and potassium chromate are placed in a test tube is ________.

Match each of the equations with the correct relative coefficient ratio when the equation is balanced . -CH? + Br2 ? CH?Br + HBr

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

Match the acid-base pairs. -the conjugate base of H₂O

In a gas-phase reaction ________.

Predict whether each of the compounds is water soluble or insoluble. -lead (II) sulfate

An alternative name for hydrochloric acid is muriatic acid.

Predict whether each of the compounds is water soluble or insoluble. -lithium acetate

If the following ions Ca₂+, NO₃-, Na+ and SO₄2- are placed in a test tube, the precipitate formed is ________.

When aqueous solutions of calcium hydroxide and hydrobromic acid are mixed, the spectator ions are ________.

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

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

Which of the following equations is not a decomposition reaction?

Match every equation with its type. -CH₄ + O₂ → CO₂ + H₂O

Which of the following is an example of a combination reaction?

The coefficients in the balanced equation are 2: 2: 3. KClO₃ → KCl + O₂

Match the acid-base pairs. -the conjugate acid of HSO₄-

Predict whether each of the compounds is water soluble or insoluble. -cobalt (II) sulfide

Which of the following equations has 1:1:1:1 as the coefficient ratio when balanced?

Which ions are not spectator ions in the following precipitation equation? AgNO₃ + NaCl → AgCl + NaNO₃

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