Chemistry Chapter 9 Test Review

What are the reactants in the equation?

C₆H₁₂O₆ + 6 O₂ --> 6 CO₂ + 6 H₂O

• C₆H₁₂O₆ and O₂

• CO₂ and H₂O

• CO_{2 and} O₂

• C₆H₁₂O₆ and H₂O

What are the products in the equation?

C₆H₁₂O₆ + 6 O₂ --> 6 CO₂ + 6 H₂O

• C₆H₁₂O₆ and O₂

• CO₂ and H₂O

• CO_{2 and} O₂

• C₆H₁₂O₆ and H₂O

What type of reaction is shown?

• Synthesis

• Decomposition

• Single Replacement

• Double Replacement

• Combustion

How many atoms are in 2 Mg(OH)₂?

• 5

• 10

• 2

• 3

How many atoms are in 3 Ca₃(PO₄)₂?

• 13

• 39

• 5

• 2

What is the general reaction for single replacement reactions?

• AB --> A + B

• A + B --> AB

• A + BC --> B + AC

• AB + CD --> CB + AD

What are the reactants for a combustion reaction?

• oxygen and water

• hydrocarbon and water

• hydrocarbon and oxygen

• carbon dioxide and water

Which reactions are opposites of each other?

• single replacement and double replacement

• synthesis and combustion

• synthesis and decomposition

• combustion and decomposition

What are the correct coefficient for the following reaction:

__Na +__I₂ -->__NaI

• 2, 1, 2

• 1, 2. 1

• 4, 2, 4

• 1, 1, 1

What type of reaction is shown?

Fe₂(SO₄)₃ + KOH → K₂SO₄ + Fe(OH)₃

• Synthesis

• Decomposition

• Single Replacement

• Double Replacement

• Combustion