Mastering Chemical Reactions Quiz

Which of the following is an example (s) of a synthesis reaction?

• Decomposition

• Single displacement

• Double displacement

• Synthesis

Which of the following is a characteristic of a chemical equation that is balanced?

• The number of atoms for each element is the same on both sides of the equation.

• The types of atoms change from reactants to products.

• Only the coefficients of the reactants are equal.

• The physical states of the compounds are not indicated.

• Synthesis

• Decomposition

• Single displacement

• Combustion

• 3

• 4

• 5

• 6

In a double displacement reaction, what is exchanged between the two reacting compounds?

• Only electrons

• Only protons

• Parts of the two compounds

• Energy only

Which of the following is not a sign of a chemical reaction?

• Change in temperature

• Formation of a precipitate

• Change in color

• Change in the shape of a solid

What is the main reason for balancing chemical equations?

• To ensure that mass is conserved according to the Law of Conservation of Mass.

• To make sure the reaction happens faster.

• To identify the type of chemical reaction.

• To determine the volume of reactants needed.