1. Oxygen -O₂
2. Nitrogen -N₂
3. Hydrogen —H₂
4. Carbon dioxide —CO₂
5. Carbon monoxide —CO
6. Sulfur dioxide —SO₂
7. Nitrogen dioxide -NO₂
8. Nitrogen monoxide (nitric oxide) — NO
9. Dinitrogen oxide (nitrous oxide) — N ₂ O
10. Chlorine - Cl₂
11. Hydrogen chloride - HCl
12. Ammonia - NH₃
▪️ Acid
13. Hydrochloric acid - HCl
14. Sulfuric acid - H ₂ SO ₄
15. Nitric Acid - HNO₃
16. Phosphoric acid - H₃PO₄
17. Carbonic acid - H ₂ CO ₃
▪️ alkali
18. Sodium hydroxide – NaOH
19. Potassium hydroxide —KOH
20. Calcium hydroxide - Ca( OH) ₂
Salts
21. Sodium chloride - NaCl
22. Sodium carbonate - Na ₂ CO ₃
23. Calcium Carbonate - CaCO₃
24. Calcium Sulphate - CaSO₄
25. Ammonium sulphate - ( NH₄ ) ₂SO₄
26. Potassium nitrate —KNO₃
Commercial and chemical names of common chemicals
Commercial name – IAPUC Name – Molecular formula
27. Chalk - Calcium Carbonate - CaCO₃
28. Grape extract - Glucose - C6H ₁₂ O6
Alcohol - Ethyl 29. Alcohol - C ₂ H5OH
30. Caustic potash — Potassium hydroxide – KOH
31. Baking soda - Sodium bicarbonate - NaHCO₃
32. Lime - Calcium Oxide - CaO
33. Gypsum - Calcium sulphate - CaSO ₄ .2H ₂ O
34. TNT - Tri Nitro Toluene - C6H ₂ CH ₃ ( NO ₂ ) ₃
35. Washing soda - Sodium carbonate - Na ₂ CO ₃
36. Blue Vitriol - Copper Sulphate - CuSO₄
37. Ammonium chloride - NH ₄ Cl
38. Alum - Potassium Aluminium Sulphate - K ₂ SO ₄ Al ₂ ( SO ₄ ) ₃ .24H ₂ O
39. Slaked lime - Calcium hydroxide - Ca( OH) ₂
40. Starch - Starch - C6H10O5
41. Laughing gas - Nitrous oxide - N ₂ O
42. Red medicine – Potassium permanganate – KMnO₄
43. Red vermilion - Lead peroxide - Pb ₃ O ₄
44. Dry ice - Solid carbon dioxide - CO₂
45. Saltpetre - Potassium nitrate - KNO₃
46. Vinegar - dilute solution of acetic acid - CH ₃ COOH
47. Gold — Borax — Na ₂ B ₄ O7.10H ₂ O
48. Spirit — Methyl Alcohol — CH ₃ OH
49. Slate — Silica Aluminum Oxide — Al 2 O 2SiO 2 .2H 2H
50. Green vitriol - Ferric sulphate - Fe ₂ ( SO ₄ ) ₃
