Understanding Chemical Reactions Quiz

What are the substances to the right of the arrow in a chemical reaction called?

• Reactants

• Products

• Catalysts

• Coefficients

Tags

NGSS.MS-PS1-5

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

Tags

NGSS.HS-PS1-7

NGSS.HS-PS1-4

What type of chemical equation has the same number of atoms of each element on each side of the equation?

• Unbalanced equation

• Balanced equation

• Simple equation

• Complex equation

Tags

NGSS.MS-PS1-5

In a chemical reaction, what does the symbol (aq) mean?

• Solid

• Liquid

• Gas

• Aqueous solution

Which of the following equations best represents "magnesium reacting with chlorine to produce magnesium chloride"?

Tags

NGSS.HS-PS1-7

What does the Law of Conservation of Mass state?

• Energy cannot be created nor destroyed.

• Matter cannot be created nor destroyed.

• Atoms cannot be created nor destroyed.

• Mass cannot be created nor destroyed.

Tags

NGSS.HS-PS1-7

• 2

• 4

• 6

• 8

Tags

NGSS.MS-PS1-1

Which of the following is a double displacement reaction?

What type of reaction is it when energy is added to a chemical reaction for the reaction to take place?

• Exothermic

• Endothermic

• Endergonic

• Exergonic

Tags

NGSS.HS-PS1-4

What is the role of a catalyst in a chemical reaction?

• It slows down the reaction.

• It speeds up the reaction.

• It changes the products of the reaction.

• It changes the reactants of the reaction.

Tags

NGSS.HS-PS1-5