Chemical Rxns

Name this reaction:   Cl₂ + KI --> I₂ + 2KCl

• Synthesis
• Single Replacement
• Double Replacement
• Decomposition

What type of chemical reaction is this one?
Ca + MgCl₂ --> CaCl₂ + Mg

• Decomposition
• Combustion
• Synthesis
• Single Replacement 

What type of chemical reaction is this one?
Mg + O2 --> MgO

• Decomposition
• Combustion
• Synthesis
• Single Replacement 

Write a balanced equation for this DR reactions
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 reaction is this? 
Li + Mg(NO₃)₂ -->
LiNO₃ + Mg

• Combustion
• Double Replacement
• Synthesis
• Single Replacement

Which is an example of substances reacting chemically?

• iron and oxygen forming rust
• paper being cut into small pieces
• chocolate melting in a pan
• 
  flour and sugar mixed together in a bowl

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