Question

DIRECTIONS: Classify the following unbalanced chemical equations according to the six types

of chemical reactions. Write your answer on the space provided for each number.
1. NaOH + KNO3 NaNO3 + KOH
2. CH4 + O2 CO2 + 2H2O
3. Fe + NaBr FeBr3 + Na
4. CaSO4 + Mg(OH)2 Ca(OH)2 + MgSO4
5. NH4OH + HBr H2O + NH4Br
6. P4 + O2 P2O4
7. NaNO3 NaNO2 + O2
8. C18H18 + O2 CO2 + H2O
9. H2SO4 + NaOH NaSO4 +H2O
10.NiSO4 + Li3PO4 Ni3(PO4)2 + Li2SO4

Answer 1

1. Double replacement
2. Combustion
3. Single replacement
4. Double replacement
5. Double replacement
6. Synthesis
7. Decomposition
8. Combustion
9. Double replacement
10. Double replacement

Also you can use webqc.org/balance.php to balance them. Its a free website and it tells you what type of reaction and the coefficients