1. MgCO,→ MgO +Co, is an example of a
combustion
reaction.
2. CH2+ 80,→5CO, + 6H,0 is an example of a .
decomposition
reaction.
3. 4K+O,→2K,0 is an example of a
reaction.
4. 3Ca+ N,Ca,N, is an example of a,
reaction.
5. Ba(ClO,),→ BaCl, + 30, is an example of a
reaction.
6. 4CuS + 50,→2Cu,0 + 4S0, is an example of a_
reaction.