Chemistry Notes for SSC: A Comprehensive Guide
| Common Name | Chemical Name | Formula | Key Fact | | :--- | :--- | :--- | :--- | | Baking Soda | Sodium Bicarbonate | $NaHCO_3$ | Used in antacids & cooking. | | Washing Soda | Sodium Carbonate | $Na_2CO_3$ | Used in glass & soap making. | | Bleaching Powder | Calcium Oxychloride | $CaOCl_2$ | Used for bleaching cotton & linen. | | Plaster of Paris (POP) | Calcium Sulphate Hemihydrate | $CaSO_4 \cdot \frac12H_2O$ | Used for fractured bones; sets hard on mixing with water. | | Gypsum | Calcium Sulphate Dihydrate | $CaSO_4 \cdot 2H_2O$ | Added to cement to slow down setting time. | | Quick Lime | Calcium Oxide | $CaO$ | Used in the manufacture of cement. | | Slaked Lime | Calcium Hydroxide | $Ca(OH)_2$ | Used in white washing. | | Vinegar | Dilute Acetic Acid | $CH_3COOH$ | Used in pickles. | | Gasoline (Petrol) | Mixture of Hydrocarbons | — | Fuel for vehicles; Octane number determines quality. | | Heavy Water | Deuterium Oxide | $D_2O$ | Used as a moderator in Nuclear Reactors. | chemistry notes ssc
Rohan realized that the best "Chemistry Notes for SSC" aren't copied from a topper or a guidebook. They are the messy, personal alchemy of turning confusion into clarity—one green-pen reaction at a time. Chemistry Notes for SSC: A Comprehensive Guide
A comparison table is the best way to memorize this. Acids, Bases, and Salts :
These have a random, short-range arrangement of particles. Often called "pseudo-solids" or "supercooled liquids," they soften over a temperature range rather than melting at a fixed point. Examples include glass, rubber, and plastics. 2. Periodic Table & Chemical Bonding Periodic Classification:
Modern Periodic Law states that properties of elements are periodic functions of their atomic numbers. Groups: 18 vertical columns. Periods: 7 horizontal rows. Alkali Metals: Group 1 (Highly reactive).