HC Ch 8.3 Classifying Reactions

Multiple Choice

Which type of reaction involves the formation of a solid?

• Combustion reaction

• Synthesis reaction

• Precipitation reaction

• Decomposition reaction

Multiple Choice

What is the general form of a double displacement reaction?

• AB + CD → AD + CB

• A + B → AB

• AB → A + B

• A + BC → B + AC

Multiple Choice

Which reaction forms water?

• double replacement

• acid-base

• precipitate

• oxidation reduction

Multiple Choice

Last section, what name did we learn for a reaction where one metal gains electrons and another loses electrons?

• Double Displacement

• Oxidation Reduction

• Ionic Association

• Acid Base

Multiple Choice

What are the driving forces for a chemical reaction?

• Transfer of electrons and formation of a gas

• Absorption of light and sound

• Increase in temperature and pressure

• Decrease in volume and mass

Multiple Choice

What type of reaction is represented by the equation A + BC → B + AC?

• Double replacement reaction

• Single replacement reaction

• Decomposition reaction

• Synthesis reaction

Multiple Choice

In a single replacement reaction, what happens to the element A in the equation A + BC → B + AC?

• A combines with B

• A replaces B

• A decomposes into B and C

• A remains unchanged

Multiple Choice

Which of the following is an example of a single replacement reaction?

• Zn + 2HCl → H₂ + ZnCl₂

• H₂ + O₂ → H₂O

• NaCl + AgNO₃ → NaNO₃ + AgCl

• C + O₂ → CO₂

Multiple Select

Which are characteristics of combustion reactions?

• They always involve carbon.

• They produce energy slowly.

• They produce energy rapidly.

• They produce heat without a flame.

• They always involve oxygen

Multiple Choice

Which of the following is a product of the combustion of methane (CH₄)?

• H₂

• CO₂

• O₂

• N₂

Multiple Choice

Combustion reactions are a special class of which type of reactions?

• Precipitation reactions

• Acid-base reactions

• Oxidation-reduction reactions

• Synthesis reactions

Multiple Choice

What is a synthesis reaction?

• A reaction where a compound breaks down into simpler materials.

• A reaction where a compound forms from simpler materials.

• A reaction where two compounds exchange ions.

• A reaction where energy is absorbed.

Multiple Choice

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

• H₂O(l) → H₂(g) + O₂(g)

• NaCl(s) → Na⁺(aq) + Cl⁻(aq)

• C(g) + O₂(g) → CO₂(g)

• HCl(aq) + NaOH(aq) → NaCl(aq) + H₂O(l)

Multiple Choice

Synthesis reactions are a special class of which type of reactions?

• Acid-base reactions

• Precipitation reactions

• Oxidation-reduction reactions

• Decomposition reactions

Multiple Choice

What occurs during a decomposition reaction?

• A compound is formed from simpler substances.

• A compound is broken down into simpler substances.

• Two elements combine to form a compound.

• Energy is absorbed to form a new compound.

Multiple Choice

What is the result of a decomposition reaction?

• A new compound is formed.

• Simpler substances are produced.

• Energy is released.

• A single element is created.

Multiple Choice

What type of reaction involves the transfer of electrons between substances?

• Synthesis reactions

• Oxidation–reduction reactions

• Acid–base reactions

• Decomposition reactions

Multiple Choice

Which type of reaction involves the formation of a solid from two solutions?

• Oxidation–reduction reactions

• Acid–base reactions

• Precipitation reactions

• Combustion reactions

Multiple Choice

Which type of reaction involves the combination of elements to form a compound?

• Decomposition reactions

• Combustion reactions

• Synthesis reactions

• Precipitation reactions

Multiple Choice

What type of reaction involves the breakdown of a compound into elements?

• Synthesis reactions

• Decomposition reactions

• Acid–base reactions

• Oxidation–reduction reactions

Multiple Choice

Which type of reaction involves the reaction of a substance with oxygen to produce heat and light?

• Combustion reactions

• Precipitation reactions

• Acid–base reactions

• Synthesis reactions

Multiple Choice

Which reaction type involves reactants that are elements?

• Synthesis reactions

• Decomposition reactions

• Acid-base reactions

• Precipitation reactions

Multiple Choice

What type of reaction is this?
C₃H₆O + 4 O₂ -->3 CO₂ + 3 H₂O 

• single replacement
• synthesis
• combustion
• decombustion

Multiple Choice

What type of reaction is this?
2Pb(NO₃)₂ --> 2PbO + 4NO₂ + O₂

• Synthesis 
• Decomposition
• Single displacement
• Decombustion

Multiple Choice

Name this reaction, Cl₂ + 2KI _-->  I₂ + 2KCl

• Synthesis
• Single Replacement
• Double Replacement
• Decomposition

Multiple Choice

What type of reaction is this?

3KOH + H₃PO₄ --> K₃PO₄ + 3H₂O

• Synthesis

• Decomposition

• Single Replacement

• Double Replacement

Multiple Choice

Name this reaction_, CO₂ + H₂O --> H₂CO₃ 

• Decomposition
• Single Replacement
• Synthesis
• Combustion