TEST: Ch. 19 - Chemical Reactions

What is the term for a reaction that releases energy in the form of heat or light?

• Decomposition reaction

• Neutralization reaction

• Exothermic reaction

• Endothermic reaction

Tags

NGSS.HS-PS1-4

What is the term for a reaction that absorbs energy from its surroundings?

• Synthesis reaction

• Combustion reaction

• Exothermic reaction

• Endothermic reaction

Tags

NGSS.HS-PS1-4

Which type of reaction is characterized by the breakdown of a compound into simpler substances?

• Combustion reaction

• Decomposition reaction

• Double displacement reaction

• Synthesis reaction

What type of reaction is represented by the equation: AB + C → AC + B?

• Double displacement reaction

• Synthesis reaction

• Single displacement reaction

• Decomposition reaction

What type of reaction is represented by the equation: AB → A + B?

• Double displacement reaction

• Synthesis reaction

• Single displacement reaction

• Decomposition reaction

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

• To provide energy to the reactants

• To change the products of the reaction

• To speed up a chemical reaction

• To increase the temperature of the reaction

Tags

NGSS.HS-PS1-5

What is the role of an inhibitor in a chemical reaction?

• To provide energy to the reactants

• To change the products of the reaction

• To slow down a chemical reaction

• To speed up a chemical reaction

Tags

NGSS.HS-PS1-5

In a combustion reaction, what is typically one of the reactants?

• Oxygen gas

• Water

• Nitrogen gas

• Sodium chloride

Tags

NGSS.MS-PS1-5

Based on the reactivity chart shown, which of the following elements would most likely be involved in a displacement reaction?

• Lead

• Zinc

• Calcium

• Hydrogen

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-2

What type of reaction is occurring in the reaction below? 6CaSO4 + 4AlBr3 → 6CaBr2 + 2Al2(SO4)3

• Single displacement reaction

• Double displacement reaction

• Synthesis reaction

• Decomposition reaction