Question

Match the following reactions with the reaction type. You may use each type more than once. Question 8 options:

KCl (aq) + AgNO3 (aq) --> AgCl (s) + KNO3 (aq)

2 Na (s) + H2 (g) --> 2 NaH (s)

Mg (s) + 2 HCl (aq) --> MgCl2 (aq) + H2 (g)

Mg(OH)2 (aq) + 2 HNO2 (aq) --> Mg(NO2)2 (aq) + 2 H2O (l)

2 HgO (s) --> 2 Hg (l) + O2 (g)

Al2O3 (s) + H2SO4 (aq) --> Al2(SO4)3 (aq) + H2O (l)

1. synthesis 2. decomposition 3. single replacement 4. double replacement 5. combustion

Answer 1