Unit 5 Review

If two reactants come together to form one product, what type of chemical reaction?

• Decomposition

• Combination

• Double Exchange

• Single Exchange

Using the activity series, will the reaction below happen?

Zn + NaNO₃ --> ????

• Yes

• No

The equation AX --> A + X is the general equation for a

• Combination Reaction

• Decomposition Reaction

• Combustion Reaction

• Single Exchange Reaction

What is one of the products formed in a combustion reaction?

• Hydrogen gas (H₂)

• Aluminum hydroxide (Al(OH)₃)

• Magnesium metal (Mg)

• Carbon dioxide (CO₂)

During a chemical reaction....

• New elements are created

• Mass is not created nor destroyed, atoms are rearranged

• Atoms are destroyed

• Mass is destroyed

What does the symbol Δ mean in a chemical equation?

• Heat is added to the reaction

• A catalyst is added that speeds up the reaction

• A precipitate is formed

• A gas is produced

What are the products for an incomplete combustion reaction?

• Carbon dioxide and aluminum metal

• Carbon monoxide and manganese

• Carbon monoxide and water

• Carbon dioxide and water

What vocabulary word means "a chemical reaction in which one element displaces a similar element in a compound?"

• Decomposition Reaction

• Synthesis Reaction

• Single Displacement

• Double Displacement

What is the precipitate in the equation below?

AgNO₃ (aq) + MgCl₂ (aq) --> AgCl (s) + Mg(NO₃)₂

• AgNO₃ (aq)

• MgCl₂ (aq)

• AgCl (s)

• Mg(NO₃)₂ (aq)

Will the reaction below happen?

CuCl₂ + Mg --> ??????

• No

• Yes