Chemical Reactions.2

Multiple Choice

Which of the following best describes a double displacement reaction?

• Two compounds react to form two new compounds by swapping anions.

• A single compound breaks down into two or more simpler substances.

• Two elements combine to form a single compound.

• An element reacts with a compound to replace one of its elements.

Multiple Choice

Which of the following best describes a precipitate reaction in double replacement reactions?

• A reaction where one of the products is an insoluble ionic compound.

• A reaction where an acid and a base react to form water.

• A reaction where a gas is produced.

• A reaction where only covalent compounds are formed.

Open Ended

How does a solubility chart help in predicting the outcome of a precipitation reaction?

Open Ended

Predict the products for the reaction: CaCl2(aq) + Na3PO4(aq).

Open Ended

Compare and contrast precipitate reactions and neutralisation reactions in double replacement reactions.

Multiple Select

Which of the following are characteristics of acids and bases as described in neutralisation reactions?

• Acids tend to start with H.

• Bases tend to end in OH.

• Acids tend to end in OH.

• Bases tend to start with H.

Multiple Choice

Which type of reaction is represented by the equation: H2SO4(aq) + NaOH(aq) → ?

• Double replacement

• Combustion

• Decomposition

• Synthesis

Multiple Choice

What are the products of the reaction: CH4 + 2O2 → ___ ?

• CO2 and H2O

• CO and H2O

• CO2 and O2

• CO and O2

Multiple Choice

Which of the following is always produced in a combustion reaction involving a hydrocarbon and oxygen?

• CO2 and H2O

• CO and H2O

• CO2 and O2

• CO and O2

Open Ended

Explain the difference between a single replacement and a double replacement reaction using the flow chart.

Multiple Select

Which of the following steps are necessary to balance a double replacement reaction according to the flow chart?

• Switch ions

• Balance charges

• Balance equation

• Combine elements

​https://www.physicsclassroom.com/Concept-Builders/Chemistry/Reaction-Types/Concept-Builder

Open Ended

What reaction type is that?

Multiple Choice

What reaction has the following general formula:

A + CD --> C + AD

• Combination

• Decomposition

• Single Replacement

• Double Replacement

• Combustion

Multiple Choice

What reaction has the following general formula:

AB --> A + B

• Combination

• Decomposition

• Single Replacement

• Double Replacement

• Combustion

Multiple Choice

What reaction has the following general formula:

A + B --> AB

• Combination

• Decomposition

• Single Replacement

• Double Replacement

• Combustion

Multiple Choice

What reaction has the following general formula:
$$C_xH_y\ +\ O_2\ ->CO_{2\ }+\ H_2O$$  

• Combination

• Decomposition

• Single Replacement

• Double Replacement

• Combustion

Multiple Choice

What type of reaction is the following:
$$BaCl_2+2KI\ ->\ 2KCl\ +\ BaI_2$$  

• Combination

• Decomposition

• Single Replacement

• Double Replacement

• Combustion

Multiple Choice

What type of reaction is the following:
$$2KI\ ->\ 2K\ +\ I_2$$  

• Combination

• Decomposition

• Single Replacement

• Double Replacement

• Combustion

Multiple Choice

What type of reaction is the following:
$$2NaHCO_3->\ Na_2CO_3+CO_2+H_2O$$  

• Combination

• Decomposition

• Single Replacement

• Double Replacement

• Combustion

Multiple Choice

What type of reaction is the following:
$$Zn\ +\ 2HCl\ ->\ ZnCl_2+H_2$$

• Combination

• Decomposition

• Single Replacement

• Double Replacement

• Combustion

Match

Match the type of chemical reaction below.

• Synthesis reaction

• Decomposition reaction

• Single displacement reaction

• Double displacement reaction

• Combustion reaction

Na+ Cl₂ NaCl

2KI −> 2K + I₂​  

Pb + FeSO₄ ----> PbSO₄ + Fe

BaCl_2​+2KI −> 2KCl + BaI_2​

CH₄​+O₂​→CO₂​+H_2​O

• Na+ Cl₂ $$\rightarrow$$ NaCl

• 2KI −> 2K + I₂​  

• Pb + FeSO₄ ----> PbSO₄ + Fe

• BaCl_2​+2KI −> 2KCl + BaI_2​

• CH₄​+O₂​→CO₂​+H_2​O

Multiple Choice

Breaking down a substance into simpler substances

• Displacement
• Synthesis
• Decomposition
• Oxidation

Multiple Choice

This pictures simulates what type of reaction?

• Synthesis
• Decomposition
• Single Replacement
• Double Replacement

Multiple Choice

What is the left part of a chemical equation called?
H_{2 +} O → H₂O

• Reactants
• Products 
• Yields 
• Chemical Equation 

Multiple Choice

For the reaction Zn + CuSO4, which of the following best describes the reaction type?

• Single displacement

• Double displacement

• Decomposition

• Combustion

Multiple Choice

What is a double displacement reaction?

• A reaction where two compounds react to form two new compounds by swapping anions

• A reaction where a single compound breaks down into two or more elements

• A reaction where two elements combine to form a compound

• A reaction where an element replaces another in a compound