Identify Types of Reactions

Which type of redox reaction is shown below?

• combustion

• single replacement

• decomposition

• synthesis

Which type of repos reaction is shown below?

• synthesis

• decompostion

• single replacement

• combustion

Tags

NGSS.MS-PS1-5

The compound with a pink square is known as a ___.

• Reactant

• Product

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Which type of chemical reaction involves the production of a single complex compound from several simpler reactants?

• Decomposition

• Combustion

• Synthesis

• Single replacement

What type of reaction is the following: C3H8 + 5O2 -> 3CO2 + 4H2O?

• Combustion reaction

• Synthesis reaction

• Decomposition reaction

• Single displacement reaction

Answer explanation

The given reaction of C3H8 + 5O2 -> 3CO2 + 4H2O is a combustion reaction because it involves a fuel (C3H8) reacting with oxygen (O2) to produce carbon dioxide (CO2) and water (H2O) with the release of heat and light.

Tags

NGSS.MS-PS1-2

Identify the type of reaction: 2H2 + O2 -> 2H2O

• Decomposition reaction

• Synthesis reaction

• Single displacement reaction

• Combustion reaction

Answer explanation

The given reaction is a synthesis reaction because two or more reactants combine to form a single product, which is represented by the equation 2H2 + O2 -> 2H2O.

What type of reaction is the breakdown of hydrogen peroxide into water and oxygen gas?

• Synthesis reaction

• Decomposition reaction

• Combustion reaction

• Single displacement reaction

Answer explanation

The breakdown of hydrogen peroxide into water and oxygen gas is a decomposition reaction where a single compound breaks down into two or more simpler substances.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Identify the type of reaction: Mg + 2HCl -> MgCl2 + H2

• Decomposition reaction

• Single replacement reaction

• Combustion reaction

• Double replacement reaction

Answer explanation

The given reaction involves one element (Mg) replacing another element (H) in a compound, indicating a single replacement reaction.

Tags

NGSS.MS-PS1-2

What type of reaction is the rusting of iron?

• Reduction reaction

• Combustion reaction

• Oxidation reaction

• Neutralization reaction

Answer explanation

The rusting of iron is an oxidation reaction where iron reacts with oxygen to form iron oxide, indicating a loss of electrons by iron.

What type of reaction is the burning of methane in the presence of oxygen?

• Combustion reaction

• Neutralization reaction

• Decomposition reaction

• Synthesis reaction

Answer explanation

The burning of methane in the presence of oxygen is a combustion reaction, where a hydrocarbon reacts with oxygen to produce carbon dioxide and water.

Tags

NGSS.MS-PS1-5