Types of Chemical Reactions

Front

Identify this type of reaction: Synthesis, Decomposition, Single Displacement, Double Displacement

Back

Synthesis

Front

Which of the following is an example of a synthesis reaction? 2H₂O → 2H₂ + O₂, Na + Cl₂ → 2NaCl, CaCO₃ → CaO + CO₂, H₂ + Cl₂ → 2HCl

Back

H₂ + Cl₂ → 2HCl

Front

What type of reaction is represented by the equation: 2K + 2H₂O → 2KOH + H₂? Options: Synthesis, Decomposition, Single Displacement, Double Displacement

Back

Single Displacement

Front

Which of the following is NOT a true statement concerning what happens in all chemical reactions?

• The ways in which atoms are joined together are changed.
• The starting materials are named reactants.
• The bonds of the reactants are broken and new bonds of the products are formed.
• In a word equation representing a chemical reaction, the reactants are written on the left and the products on the right.
• New atoms are formed as products.

Back

New atoms are formed as products.

Front

In the chemical equation, H₂O₂ --> H₂O + O₂, the H₂O₂ is a _____.

Back

Reactant

Front

This reaction represents: FeS + HCl ---> FeCl₂ + H₂S

Back

Double Displacement Reaction

Front

Classify the reaction: Zn + 2HCl → ZnCl₂ + H₂

Back

Single Displacement Reaction

Front

This reaction: 2Al₂O₃ —> 4Al + 3O₂

Back

Decomposition Reaction

Front

Classify the reaction: Pb + FeSO₄ ----> PbSO₄ + Fe. Options: Synthesis (or combination), Decomposition, Single displacement, Double displacement.

Back

Single displacement

Front

Na₃PO₄ + 3 KOH ----> 3 NaOH + K₃PO₄

Back

Double displacement