Types of Chemical Reactions Quiz

What are the five types of chemical reactions mentioned in the text?

• Combustion, synthesis, decomposition, single displacement, double displacement

• Combustion, oxidation, reduction, neutralization, precipitation

• Synthesis, decomposition, oxidation, reduction, neutralization

• Single displacement, double displacement, neutralization, precipitation, combustion

What occurs during a combustion reaction?

• A substance reacts with oxygen to produce heat and light

• Two substances combine to form a new substance

• A compound breaks down into simpler substances

• An element replaces another in a compound

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

What is the general formula for a synthesis reaction?

• A + B → AB

• AB → A + B

• A + B → C

• AB + C → AC + B

Tags

NGSS.MS-PS1-5

What is an example of a synthesis reaction given in the text?

• Hydrogen burning in oxygen to form water vapor

• Carbon reacting with oxygen to produce carbon dioxide

• Iron reacting with oxygen to form rust

• Sodium reacting with chlorine to form salt

Tags

NGSS.MS-PS1-5

What is a decomposition reaction?

• A reaction where two substances combine to form one.

• A reaction where one substance breaks down into two or more substances.

• A reaction where one element replaces another in a compound.

• A reaction that involves the transfer of electrons.

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

• 2H₂O(l) → 2H₂(g) + O₂(g)

• Cu(s) + 2AgNO₃(aq) → Cu(NO₃)₂(aq) + 2Ag(s)

• H₂ + Cl₂ → 2HCl

• Na + Cl₂ → NaCl

What happens in a single-displacement reaction?

• Two elements combine to form a compound.

• One element replaces another element in a compound.

• A compound breaks down into two or more elements.

• Two compounds exchange elements to form two new compounds.

In the reaction Cu(s) + 2AgNO₃(aq) → Cu(NO₃)₂(aq) + 2Ag(s), which metal is more active?

• Silver

• Copper

• Both are equally active

• Neither is active

Order the following elements from least active to most active: lead, aluminum, copper, silver, zinc.

• Copper, silver, lead, zinc, aluminum

• Lead, copper, silver, zinc, aluminum

• Lead, silver, copper, aluminum, zinc

• Lead, zinc, copper, silver, aluminum

Tags

NGSS.HS-PS1-2

What kind of reaction produces a precipitate?

• Single-displacement reaction

• Double-displacement reaction

• Combustion reaction

• Synthesis reaction