Unit 6 - Chemical Rxns Review

What type of chemical rxn is this?

Cl₂ + KI --> I₂ + 2KCl

• Synthesis

• Single Replacement

• Double Replacement

• Decomposition

What type of chemical rxn this?

Mg + O₂ --> MgO

• Decomposition

• Combustion

• Synthesis

• Single Replacement

Predict the products & balance the equation ...

NaOH + Fe(NO₃)₃ -->

• NaFe + OH(NO₃)₃

• 2NaNO₃ + 3Fe(OH)₃

• NR

• 3NaNO₃ + Fe(OH)₃

What type of reaction is this?

NaOH + MgSO₃ --> Mg(OH)₂ + Na₂SO₃

• Single Replacement

• Double Replacement

• Combustion

• Synthesis

Which is evidence of a chemical reaction?

• the light produced by magnesium when burned
• 
  the evaporation of water from a solution
• the fizzing of a soft drink
• the heat from a light bulb

What type of reaction involves the production of CO₂ and H₂O usually?

• Synthesis

• Decomposition

• Combustion

• Activity Series

What's the correct way to balance this equation?

Mg + HCl --> MgCl₂ + H₂

• Mg + 2HCl ---> MgCl₂ + H₂

• 2Mg + 2HCl ---> 4MgCl₂ + H₂

• Mg + HCl ---> 2MgCl₂ + 2H₂

• Mg + HCl ---> MgCl₂ + H₂

Predict the products :

C₃H₈ + O₂ -->

• CH₄

• CO₂

• H₂O

• H₂

Predict the products:

Al + Cl₂ -->

• AlCl

• AlCl₂

• AlCl₃

The name of FeCl₂ is

• iron chloride

• iron (II) chloride

• iron (I) chloride

• iron dichloride