Chemical Reactions Quiz

Which of the following is NOT a type of chemical reaction?

• Synthesis

• Decomposition

• Filtration

• Single displacement

In a balanced chemical equation, the total number of atoms of each element in the reactants and products must be:

• Different to conserve mass

• The same to conserve mass

• Increasing in products

• Decreasing in reactants

Tags

NGSS.MS-PS1-5

What type of reaction absorbs energy from its surroundings?

• Exothermic reaction

• Endothermic reaction

• Synthesis reaction

• Decomposition reaction

Tags

NGSS.HS-PS1-4

Which of the following is an example of a synthesis reaction?

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

In a chemical equation, the substances that are formed as a result of the reaction are called:

• Reactants

• Products

• Catalysts

• Inhibitors

Tags

NGSS.MS-PS1-5

What type of reaction releases energy to its surroundings?

• Exothermic reaction

• Endothermic reaction

• Synthesis reaction

• Decomposition reaction

Tags

NGSS.HS-PS1-4

Which of the following is a correct representation of a balanced chemical equation?

Tags

NGSS.MS-PS1-5

A double displacement reaction is characterized by:

• Two compounds exchanging ions to form two new compounds

• A single compound breaking down into two or more simpler substances

• Two elements combining to form one compound

• A compound and an element reacting to form a new compound and a different element

Which of the following is an example of a decomposition reaction?

Balancing chemical equations is important because it demonstrates the law of:

• Conservation of Energy

• Conservation of Mass

• Multiple Proportions

• Definite Proportions

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5