Question

Which of these is a decomposition reaction?


2 k-c-l-o 3 produces 2 k c l + 3 o 2

2 "h" 2 reacts with o 2 to produce 2 "h" 2 o

f e reacts with c u c l 2 to produce f e c l 2 and c u

n a o h reacts with h c l to produce n a c l and h 2 o