Here is a list of common chemical formulas in chemistry, grouped by categories for easier understanding. These include elements, compounds, acids, bases, salts, and gases that are commonly studied in school-level chemistry (Class 9–12, NEET, JEE, etc.).
🧪 Common Chemical Formulas in Chemistry
🔹 Elements (Symbols)
| Element |
Symbol |
| Hydrogen |
H₂ |
| Oxygen |
O₂ |
| Nitrogen |
N₂ |
| Chlorine |
Cl₂ |
| Iodine |
I₂ |
| Fluorine |
F₂ |
| Bromine |
Br₂ |
| Ozone |
O₃ |
| Phosphorus |
P₄ |
| Sulfur |
S₈ |
🔹 Common Compounds
| Name |
Formula |
| Water |
H₂O |
| Carbon dioxide |
CO₂ |
| Carbon monoxide |
CO |
| Methane |
CH₄ |
| Ammonia |
NH₃ |
| Glucose |
C₆H₁₂O₆ |
| Ethanol (Alcohol) |
C₂H₅OH |
| Urea |
CO(NH₂)₂ |
| Hydrogen peroxide |
H₂O₂ |
| Baking soda |
NaHCO₃ |
| Washing soda |
Na₂CO₃·10H₂O |
| Bleaching powder |
Ca(OCl)₂ |
| Quick lime |
CaO |
| Slaked lime |
Ca(OH)₂ |
| Limestone / Marble |
CaCO₃ |
| Vinegar (Acetic acid) |
CH₃COOH |
🔹 Acids
| Acid Name |
Formula |
| Hydrochloric acid |
HCl |
| Sulfuric acid |
H₂SO₄ |
| Nitric acid |
HNO₃ |
| Acetic acid |
CH₃COOH |
| Carbonic acid |
H₂CO₃ |
| Phosphoric acid |
H₃PO₄ |
| Formic acid |
HCOOH |
| Citric acid |
C₆H₈O₇ |
🔹 Bases (Alkalis)
| Base Name |
Formula |
| Sodium hydroxide |
NaOH |
| Potassium hydroxide |
KOH |
| Calcium hydroxide |
Ca(OH)₂ |
| Ammonium hydroxide |
NH₄OH |
| Magnesium hydroxide |
Mg(OH)₂ |
🔹 Salts
| Salt Name |
Formula |
| Sodium chloride (Table salt) |
NaCl |
| Sodium carbonate |
Na₂CO₃ |
| Sodium bicarbonate |
NaHCO₃ |
| Potassium nitrate |
KNO₃ |
| Calcium carbonate |
CaCO₃ |
| Ammonium chloride |
NH₄Cl |
| Zinc sulfate |
ZnSO₄ |
| Copper sulfate (Blue vitriol) |
CuSO₄·5H₂O |
🔹 Oxides
| Name |
Formula |
| Carbon dioxide |
CO₂ |
| Carbon monoxide |
CO |
| Sulfur dioxide |
SO₂ |
| Sulfur trioxide |
SO₃ |
| Nitrogen dioxide |
NO₂ |
| Nitrous oxide (Laughing gas) |
N₂O |
📘 Bonus: Household Chemistry
| Name |
Formula |
| Salt (Common) |
NaCl |
| Sugar (Sucrose) |
C₁₂H₂₂O₁₁ |
| Vinegar (Acetic acid) |
CH₃COOH |
| Detergent (Sodium dodecyl sulfate) |
NaC₁₂H₂₅SO₄ |
| LPG (Butane + Propane) |
C₄H₁₀ + C₃H₈ |
If you want this list as a PDF or in Hindi, or specific to Class 10, 11, or 12, just let me know!
Comments
Post a Comment