Question

WORD EQUATIONS - Write balanced molecular equations
1. Sodium
+ oxygen
- sodium oxide
2. Calcium
+ water
→ calcium hydroxide + hydrogen
3. Zinc
+ oxygen
→ zinc oxide
4. Carbon monoxide + oxygen
→ carbon dioxide
5. Potassium oxide + water
→ potassium hydroxide
6. Magnesium + carbon dioxide → magnesium oxide + carbon
7. Potassium + water
→ potassium hydroxide + hydrogen
8. Calcium chloride + sodium carbonate → sodium chloride + calcium carbonate
9. Zinc
+ dil hydrochloric acid → zinc chloride + hydrogen
10. Zinc
+ sodium hydroxide sodium zincate + hydrogen
11. Zinc sulphate + sodium hydroxide → sodium sulphate + zinc hydroxide
12. Magnesium chloride + ammonium hydroxide → ammonium chloride + magnesium hydroxide
13. Copper (II) hydroxidet dil. sulphuric acid → copper (II) sulphate + water
14. Lead [IT] nitrate + sodium chloride → sodium nitrate + lead [II] chloride
15. Iron (II) chloride + ammonium hydroxide → ammonium chloride + iron (III) hydroxide
16. Iron [III] oxide + carbon monoxide → iron
+ carbon dioxide
17. Iron (II) sulphide + dil hydrochloric acid → iron (II) chloride + hydrogen sulphide
18. Iron (II) sulphate + ammonium hydroxide → ammonium sulphate + iron [II] hydroxide
19. Iron [HU] oxide + aluminium metal aluminium oxide + iron
0. Lead [II] nitrate + dil hydrochloric acid → lead [III chloride + nitric acid​

Answer 1

Answer:

1.4Na+O2-------->2Na2o