Classifying Chemical Reactions

By Stacy Goldstein
Last updated almost 4 years ago
15 Questions

Classifying Chemical Reactions


Choose the correct type of reaction(s)
1.

What type of reaction is this and how do you know?

CaCO3 → CaO + CO2


2.

2H2 + O2 → 2H2O

3.

2K + 2H2O → H2 + 2KOH

4.

CaCO3 + 2HCl → CaCl2 + H2CO3

5.

2KClO3 → 2KCl + 3O2

6.

Ca + 2HCl → CaCl2 + H2

7.

2SO2 + O2 → 2SO3

8.

Pb(NO3 )2 + 2HCl → PbCl2 + 2NHO3

9.

What type of reaction is this and how do you know?

Cu + 2AgNO3 → 2Ag + Cu(NO3 )2


10.

2Na + Cl2 → 2NaCl

11.

CH4 + 2O2 → CO2 + 2H2O

12.

Pb(NO3 )2 + 2KI → PbI2 + 2KNO3

13.

2Fe + O2 → 2FeO

14.

Zn + 2HCl → H2 + ZnCl2

15.

What type of reaction(s) are used above? How do you know?