1. 1 Reactants: Metal element + Nonmetal element  ?

2. 2 Product: Binary Salt

3. 3 Reactants: Oxyacid heated  ?

4. 4 Product: Nonmetal oxide + water

5. 5 Reactants: Metal + Oxygen  ?

6. 6 Product: Metal Oxide

7. 7 Reactants: Acid + Hydroxide base  ?

8. 8 Product: Salt + H 2 O

9. 9 Reactants: Water + Nonmetal oxide  ?

10. 10 Product: Oxyacid

11. 11 Reactants: Acid + Metal  ?

12. 12 Product: Salt + H 2 gas

13. 13 Reactants: Acid + Salt  ?

14. 14 Product: New Acid + New Salt

15. 15 Reactants: Metal Chlorate heated  ?

16. 16 Product: Metal chloride + O 2 gas

17. 17 Reactants: Acid + Metal carbonate  ?

18. 18 Product: Salt + H 2 O + CO 2

19. 19 Reactants: Active Metal + Salt  ?

20. 20 Product: New metal + New Salt

21. 21 Reactants: Metal oxide + hydrogen  ?

22. 22 Product: Metal + H 2 O

23. 23 Reactants: Metal carbonate heated  ?

24. 24 Product: Metal oxide + CO 2

25. 25 Reactants: Halogen + Halogen Salt  ?

26. 26 Product: New halogen + New Salt

27. 27 Reactants: Acid + Sulfite salt  ?

28. 28 Product: Salt + H 2 O + SO 2

29. 29 Reactants: Metal hydroxide heated  ?

30. 30 Product: Metal oxide + H 2 O

31. 31 Reactants: Two Aqueous Salts  ?

32. 32 Product: Two new salts (at least one PPT)

33. 33 Reactants: Complete combustion of a hydrocarbon  ?

34. 34 Product: CO 2 + H 2 O

35. 35 Reactants: Active metal oxide + water  ?

36. 36 Product: Metal hydroxide

37. 37 Reactants: Acid + sulfide salt  ?

38. 38 Product: Salt + H 2 S gas

39. 39 Reactants: Binary compound heated or electrolyzed  ?

40. 40 Product: Separate constituent elements

41. 41 Reactants: Active metal + water  ?

42. 42 Product: Metal hydroxide + H 2 gas

43. 43 Reactants: Ammonia + Acid  ?

44. 44 Product: Ammonium Salt

45. 45 Reactants: Metal nitrate heated  ?

46. 46 Product: Metal oxide + NO 2 + O 2