Which one of the following is a kind of combination reaction?
A. 4Na(s) + O2(g) → 2Na2O(s)
B. CuO(s)+ H2(g) → Cu(s) + H2O
C. ZnO(s) + C(s) → Zn(s) + CO(g)
D. None of above.
Answer:A
Which one of the following is a kind of combination reaction?
A. 4Na(s) + O2(g) → 2Na2O(s) B. CuO(s)+ H2(g) → Cu(s) + H2O C. ZnO(s) + C(s) → Zn(s) + CO(g) D. None of above.