Types of Chemical Reactions

Which clue can be used to identify a chemical reaction as a replacement reaction?

• The reaction has two reactants with ions that seem to switch places.

• The reaction has a single reactant that changes into two or more products.

• The reaction involves oxygen reacting with a hydrocarbon and giving off heat.

• The reaction involves a single product forming from two or more reactants.

Which type of reaction is NaCl + AgNO3 → NaNO3 + AgCl?

• synthesis

• decomposition

• oxidation

• replacement

When explaining chemical reactions to a friend, Brianna models a reaction by taking several colors of modeling clay and making a sculpture of a horse. Which type of chemical reaction is Brianna most likely explaining?

• synthesis

• decomposition

• polymerization

• replacement

Luis is helping his parents paint a border around the walls of a room. He uses a stencil to repeat the same design on each wall to form one long grapevine with a bunch of grapes every foot along its length. What type of chemical reaction does this best model?

• replacement

• decomposition

• polymerization

• synthesis

When Coach Kwan notices that a player is getting tired, she takes out the tired player and substitutes a fresh player. Which type of chemical reaction does this best model?

• replacement

• decomposition

• synthesis

• oxidation

Which three types of reactions yield a product that is a chemically bonded combination of reactants?

• replacement, polymerization, decomposition

• polymerization, decomposition, oxidation

• decomposition, synthesis, replacement

• oxidation, synthesis, polymerization

Tags

NGSS.MS-PS1-1

A chemical reaction that has the general formula of AB + C → CB + A is best classified as a _________________ reaction.

• polymerization

• decomposition

• oxidation

• replacement

A chemical reaction that has the general formula of nA → (A)n is best classified as a _______________ reaction.

• polymerization

• decomposition

• oxidation

• replacement

What else is produced when sodium carbonate decomposes?

Na2CO3 → Na2O + _____________

• CO2

• Na2

• CO3

• 2O

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-2

What else is produced during the combustion of propane, C3H8?

• H2O

• C3H8

• O2

• C3H8O2

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5