Question

give the chemical equation of Na²SO⁴ + BaCl² ------ BaSO⁴ + 2NaCl
2. C (s) + O²(g) ----- CO²(g).
3. 2H²(g) + O²(g) -------- 2H²O(l).
4. CO²(g) + H²O(l) --- H²CO³(l).
5. 2H²O(l) electricity 2H²(g) + O²(g). ​

Answer 1

2:Combination

3:Decomposition

4:Decomposition

5:Decomposition