Chemical Rxns

What type of chemical rxn is this?

Cl₂ + KI --> I₂ + 2KCl

• Synthesis

• Single Replacement

• Double Replacement

• Decomposition

What type of chemical rxn is this?

Ca + MgCl₂ --> CaCl₂ + Mg

• Decomposition

• Combustion

• Synthesis

• Single Replacement

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

What type of chemical rxn is this?

Li + Mg(NO₃)₂ --> LiNO₃ + Mg

• Combustion

• Double Replacement

• Synthesis

• Single Replacement

Which of these compounds will form a precipitate when mixed with an aqueous solution of sodium sulfate, Na₂SO₄?

• LiNO₃
• KNO₃
• Mg(NO₃)₂
• Ba(NO₃)₂

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