Unit 12 Test Review

• Which type of chemical reaction occurs in 2KClO3 mc010-1.jpg 2KCl + 3O2?

  b. decomposition
• Consider the partial equation.

  Br2 + NaF →

  Which best completes the chemical equation?

  a. no reaction
• Which is a characteristic of a decomposition reaction?


  b. Substance XYZ breaks down into X, Y, and Z.
• In which type of chemical reaction do two or more substances combine to form one substance?

  a. synthesis
• A double replacement reaction can be best described as a reaction in which

  c. ions are exchanged between two compounds.
• A chemical reaction in which one element replaces another element in a compound can be categorized as a

  c. single displacement reaction.
• Which type of chemical reaction occurs in Ca + Cl2 → CaCl2?

  a. synthesis
• Which reaction will occur?

  c. 2AgNO3 + Ni → Ni(NO3)2 + 2Ag
• Which products would form if chlorine gas was bubbled through a solution of sodium bromide?


  c. NaCl and Br2See an expert-written answer!We have an expert-written solution to this problem!
• Which type of chemical reaction occurs in C6H12 + 9O2 → 6CO2 + 6H2O?

  b. combustion
• The formation of which product(s) will most likely be observed in a combustion reaction?

  a. an oxide
• Propane burns in air to produce carbon dioxide and water. What is this type of chemical reaction called?

  b. combustion
• A chemical reaction has two elements as reactants. Which type of reaction might occur?

  a. synthesis
• Using the activity series provided. Which reactants will form products?

  Na > Mg > Al > Mn > Zn > Cr > Fe > Cd > Co > Ni > Sn > Pb > H > Sb > Bi > Cu > Ag

  d. Fe + Cu(NO3)2 →
• A _________ reaction occurs when one compound reacts and is broken down into different elements or simpler compounds.


  decomposition