Question 1

The precipitate formed when hydrochloric acid and sodium hydroxide are placed in a test tube is ________.

Accepted Answer

A)  sodium hydroxide 
B)  sodium chloride 
C)  hydrochloric acid 
D)  No precipitate will be formed. 
A)  sodium hydroxide 
B)  sodium chloride 
C)  hydrochloric acid 
D)  No precipitate will be formed.

Question 2

Silver (I) chloride is insoluble in water, while silver (I) acetate is soluble in water.

Accepted Answer

A) True 
 B)False

Question 3

In a decomposition reaction, one compound breaks down into two or more simpler compounds or elements.

Accepted Answer

A) True 
 B)False

Question 4

Match each of the equations with the correct relative coefficient ratio when the equation is balanced .
-Mg + HBr ? MgBr2 + H?

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 5

The net ionic equation for the following reaction is ________. H₂SO₄ + KOH → K₂SO₄ + H₂O

Accepted Answer

A)  K+ (aq) + SO₄2- (aq) → K₂SO₄ 
B)  H+ (aq) + OH- (aq) → H₂O 
C)  K+ (aq) + OH-(aq) → KOH 
D)  H+ (aq) + SO₄2- (aq) → H₂SO₄ 
A)  K+ (aq) + SO₄2- (aq) → K₂SO₄ 
B)  H+ (aq) + OH- (aq) → H₂O 
C)  K+ (aq) + OH-(aq) → KOH 
D)  H+ (aq) + SO₄2- (aq) → H₂SO₄

Question 6

Match every equation with its type.
-H₂SO₄ + NaOH →

Accepted Answer

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

Question 7

What is the coefficient for iron after the following reaction is balanced? Fe + O₂ → Fe2O₃

Accepted Answer

A)  1 
B)  3 
C)  4 
D)  6 
A)  1 
B)  3 
C)  4 
D)  6

Question 8

The coefficients are respectively ________ for the following equation. C₄H₁₀ + O₂ → CO₂ + H₂O

Accepted Answer

A)  1: (13/2): 4: 5 
B)  2: 13: 8: 10 
C)  1: 13: 4: 5 
D)  either A or B 
A)  1: (13/2): 4: 5 
B)  2: 13: 8: 10 
C)  1: 13: 4: 5 
D)  either A or B

Question 9

All nitrates are soluble in water.

Accepted Answer

A) True 
 B)False

Question 10

If the following ions Ca₂+, Cl-, Na+ and CO₃2- are placed in a test tube, the precipitate formed is ________.

Accepted Answer

A)  CaCO₃ 
B)  NaCl 
C)  CaCL₂ 
D)  No precipitate will be formed. 
A)  CaCO₃ 
B)  NaCl 
C)  CaCL₂ 
D)  No precipitate will be formed.

Question 11

The following equation is an example of a ________ reaction. Pb(NO₃ )2+ 2KI → PbI₂ + 2KNO₃

Accepted Answer

A)  synthesis 
B)  precipitation 
C)  single replacement 
D)  decomposition 
A)  synthesis 
B)  precipitation 
C)  single replacement 
D)  decomposition

Question 12

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

Accepted Answer

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

Question 13

Match each of the equations with the correct relative coefficient ratio when the equation is balanced .
-C?H? + O? ? CO? + H?O

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 14

If the following ions Ba2+, Cl-, K+ and SO₄2- are placed in a test tube, the precipitate formed is ________.

Accepted Answer

A)  BaSO₄ 
B)  KCl 
C)  BaCL₂ 
D)  K₂SO₄ 
A)  BaSO₄ 
B)  KCl 
C)  BaCL₂ 
D)  K₂SO₄

Question 15

Which of the following reactions is a single replacement reaction?

Accepted Answer

A)  HCl + NaOH → NaCl + H₂O 
B)  Mg + HCl → H₂ + MgCL₂ 
C)  CaCL₂ + H₂O → CaCL₂ ∙ 2H₂O 
D)  KClO₃ → KCl + O₂ 
A)  HCl + NaOH → NaCl + H₂O 
B)  Mg + HCl → H₂ + MgCL₂ 
C)  CaCL₂ + H₂O → CaCL₂ ∙ 2H₂O 
D)  KClO₃ → KCl + O₂

Question 16

The coefficients in the balanced equation are 1: 19: 8: 3.
C₈H₆ + O₂ → CO₂ + H₂O

Accepted Answer

A) True 
 B)False

Question 17

In a precipitation reaction, all ions and compounds are soluble in water.

Accepted Answer

A) True 
 B)False

Question 18

Match every equation with its type.
-CH₄ + Br2 → CH₃Br + HBr

Accepted Answer

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

Question 19

Predict whether each of the compounds is water soluble or insoluble.
-silver (I) chloride

Accepted Answer

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

Question 20

Which of the following equations is not a combination reaction?

Accepted Answer

A)  H₂ + O₂ → H₂O 
B)  C₂H₄ + Br2 → C₂H₄Br2 
C)  CH₄ + O₂ → CO₂ + H₂O 
D)  Fe + O₂ → Fe₃O₄ 
A)  H₂ + O₂ → H₂O 
B)  C₂H₄ + Br2 → C₂H₄Br2 
C)  CH₄ + O₂ → CO₂ + H₂O 
D)  Fe + O₂ → Fe₃O₄

The precipitate formed when hydrochloric acid and sodium hydroxide are placed in a test tube is ________.

Silver (I) chloride is insoluble in water, while silver (I) acetate is soluble in water.

In a decomposition reaction, one compound breaks down into two or more simpler compounds or elements.

Match each of the equations with the correct relative coefficient ratio when the equation is balanced . -Mg + HBr ? MgBr2 + H?

The net ionic equation for the following reaction is ________. H₂SO₄ + KOH → K₂SO₄ + H₂O

Match every equation with its type. -H₂SO₄ + NaOH →

What is the coefficient for iron after the following reaction is balanced? Fe + O₂ → Fe2O₃

The coefficients are respectively ________ for the following equation. C₄H₁₀ + O₂ → CO₂ + H₂O

All nitrates are soluble in water.

If the following ions Ca₂+, Cl-, Na+ and CO₃2- are placed in a test tube, the precipitate formed is ________.

The following equation is an example of a ________ reaction. Pb(NO₃ )2+ 2KI → PbI₂ + 2KNO₃

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

Match each of the equations with the correct relative coefficient ratio when the equation is balanced . -C?H? + O? ? CO? + H?O

If the following ions Ba2+, Cl-, K+ and SO₄2- are placed in a test tube, the precipitate formed is ________.

Which of the following reactions is a single replacement reaction?

The coefficients in the balanced equation are 1: 19: 8: 3. C₈H₆ + O₂ → CO₂ + H₂O

In a precipitation reaction, all ions and compounds are soluble in water.

Match every equation with its type. -CH₄ + Br2 → CH₃Br + HBr

Predict whether each of the compounds is water soluble or insoluble. -silver (I) chloride

Which of the following equations is not a combination reaction?

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

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Exam 8: Chemical Reactions

The precipitate formed when hydrochloric acid and sodium hydroxide are placed in a test tube is ________.

Silver (I) chloride is insoluble in water, while silver (I) acetate is soluble in water.

In a decomposition reaction, one compound breaks down into two or more simpler compounds or elements.

Match each of the equations with the correct relative coefficient ratio when the equation is balanced . -Mg + HBr ? MgBr2 + H?

The net ionic equation for the following reaction is ________. H₂SO₄ + KOH → K₂SO₄ + H₂O

Match every equation with its type. -H₂SO₄ + NaOH →

What is the coefficient for iron after the following reaction is balanced? Fe + O₂ → Fe2O₃

The coefficients are respectively ________ for the following equation. C₄H₁₀ + O₂ → CO₂ + H₂O

All nitrates are soluble in water.

If the following ions Ca₂+, Cl-, Na+ and CO₃2- are placed in a test tube, the precipitate formed is ________.

The following equation is an example of a ________ reaction. Pb(NO₃ )2+ 2KI → PbI₂ + 2KNO₃

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

Match each of the equations with the correct relative coefficient ratio when the equation is balanced . -C?H? + O? ? CO? + H?O

If the following ions Ba2+, Cl-, K+ and SO₄2- are placed in a test tube, the precipitate formed is ________.

Which of the following reactions is a single replacement reaction?

The coefficients in the balanced equation are 1: 19: 8: 3. C₈H₆ + O₂ → CO₂ + H₂O

In a precipitation reaction, all ions and compounds are soluble in water.

Match every equation with its type. -CH₄ + Br2 → CH₃Br + HBr

Predict whether each of the compounds is water soluble or insoluble. -silver (I) chloride

Which of the following equations is not a combination reaction?

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

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