Chemical Reactions Quiz

Which reaction is a synthesis reaction?

• 2C + O2 -> 2CO

• 2C4H10 + 13O2 -> 8CO2 + 10H2O

• 2Na + Cl2 -> 2NaCl

• 2H2O2 -> 2H2O + O2

What are the products of the double replacement reaction with Na2SO4 and BaCl2?

• NaCl and BaSO4

• Na2Cl2 and BaSO4

• NaCl2 and BaSO4

• Na2Cl and Ba2SO4

Which reaction shows single replacement?

• 2H2O2 -> 2H2O + O2

• 2Na + 2HCl -> 2NaCl + H2

• 2C + O2 -> 2CO

• C4H10 + O2 -> CO2 + H2O

Which describes decomposition?

• One element or compound is going to form one larger compound.

• One larger compound breaks into two or more smaller compounds.

• Two ions replace each other to form two new compounds.

• Two ions replace each other to form one new compound.

What are the products of the double replacement reaction with Ba(OH)2 and Na2SO4?

• BaSO4 and 2NaOH

• BaNO3 and NaCl

• BaO and NaCl

• BaSO4 and NaCl

What is the result of the decomposition reaction of H2O2?

• H2 and O2

• H2O and H2

• H2O and H2O2

• H2O and O2

Which of the following is a combustion reaction?

• CH4 + 2O2 -> CO2 + 2H2O

• 2Na + Cl2 -> 2NaCl

• 2H2O2 -> 2H2O + O2

• 2C + O2 -> 2CO

What are the products of the single replacement reaction between Zn and HCl?

• ZnCl2 and H2O

• ZnCl2 and H2

• ZnH and Cl2

• ZnCl and H2O

Which of the following reactions is an example of a double replacement reaction?

• 2H2 + O2 -> 2H2O

• CH4 + 2O2 -> CO2 + 2H2O

• AgNO3 + NaCl -> AgCl + NaNO3

• 2Na + Cl2 -> 2NaCl

What are the products of the synthesis reaction between N2 and H2?

• NH3

• N2H2

• N2H4

• NH4