2
QuizMultiple Choice
Reactions in Aqueous Solutions
Question 2 • HCISD-Integrated Physics and Chemistry A-CR SUMMER
Which formula represents a double displacement reaction?
Answer
A
Ca(OH)2(s) CaO(s) + H2O(g)
B
C2H5OH(I) + O2(g) CO2(g) + H2O(g)
C
Zn(s) + 2HCl(aq) ZnCl2(aq) + H2(g)
D
Pb(NO3)2(aq) + 2HCl(aq) 2HNO3(aq) + PbCl2(s)