Types of Chemical Reactions

Front

Is the following equation balanced? 4Fe + 3O₂ ---> 2Fe₂O₃

Back

YES

Front

Classify the reaction: CaCO₃ ----> CaO + CO₂

Back

Decomposition

Front

Pb + FeSO₄ ----> PbSO₄ + Fe

Back

Single displacement

Front

What type of reaction occurs between an element and a compound? Ex: Zn + 2HCl --> ZnCl₂ + H₂

Back

Single Replacement

Front

What kind of reaction is this:
2H₂ + O₂ --> 2H₂O
Options: Synthesis, Decomposition, Single Replacement, Double Replacement

Back

Synthesis

Answer explanation

Two or more elements/ compounds combine to make a more complex substance.

Ex: A + B --> AB

Front

What kind of reaction is this:
4Fe  +  3O₂ →   2Fe₂O₃ 
Options: Synthesis, Decomposition, Single Replacement , Double Replacement

Back

Synthesis

Answer explanation

Two or more elements/ compounds combine to make a more complex substance

Ex: A + B --> AB

Front

What kind of reaction is this:
2H₂O₂ →2 H₂O + O₂

Back

Decomposition

Answer explanation

Compounds break down 

into simpler substances.

Ex: AB --> A + B

Front

What kind of reaction is this:
Fe + CuSO₄ -> Cu + FeSO₄

Back

Single Replacement

Answer explanation

Reactants: a single element and a compound

Products: a new compound and a different single element

Ex: A + BC --> AC + B

Front

An element and a different element react to form one product - this is an example of which type of chemical reaction? Options: combustion, decomposition, synthesis, single replacement

Back

synthesis

Answer explanation

Ex: A + B --> AB

Front

Which type of reaction can be recognized by the general pattern?
A + BC--> AC + B
Options: Decomposition, Combustion, Single Replacement, Double Replacement

Back

Single Replacement

Answer explanation

Reactants: a single element and a compound

Products: a new compound and a different single element