Question

plz tell me it's a chemistry question ​

Answer 1

Answer:

1. chemical equation by chemical formulae and symbols
2. decomposition reaction
3. combination reaction
4. double decomposition
5. to obey the law conservation of mass
6. aq
7. decomposition reaction
8. decomposition reaction
9. decomposition reaction
10. calcium oxide CaO
11. displacement reaction
12. Fe + 2 HCl -------- FeCl2 + H2
13. 2Na +. 2H2O--------- 2NaOH + H2
14. 2Al(OH)3 + 3H2SO4 ----------- Al2(SO4)3 + 6H2O
15. ammonium chloride is formed ( combination reaction)
16. displacement reaction copper and zinc sulphate is formed
17. hydrogen is oxidized. copper is reduced. copper is oxidizing agent. hydrogen is reducing agent