^new^ | Chemistry Notes Ssc

Atoms with the same mass number but different atomic numbers (e.g., Argon-40 and Calcium-40).

With the right strategy and these chemistry notes, you can efficiently master this section and secure those crucial extra marks. The key is consistency: devote a short period daily to revising these fundamental concepts. Good luck with your SSC exam preparation

: Solid turns directly into gas (e.g., Camphor, Dry Ice, Ammonium Chloride). Deposition : Gas turns directly into solid. Melting : Solid turns into liquid. Vaporization : Liquid turns into gas. Classification of Matter

: Only mark the most crucial info that needs strict memorization—leave diagrams and examples unhighlighted to keep the page clean. 3. Pro Tips for Exam Success Revise NCERTs chemistry notes ssc

Pure substances containing only one type of atom. Cannot be broken down further. (e.g., Gold, Hydrogen)

Physical combinations of two or more substances without a fixed ratio.

Formed by the complete transfer of electrons from a metal to a non-metal (e.g., NaClcap N a cap C l MgOcap M g cap O Atoms with the same mass number but different

Before you walk into the exam hall, flip through your notebook. You should see:

Examples: Citric acid (lemons), Acetic acid (vinegar), Tartaric acid (tamarind).

Decreases across a period (left to right) and increases down a group. Good luck with your SSC exam preparation :

Composed primarily of Butane and Propane . Ethyl Mercaptan is added to give it a distinct smell for leak detection. Acetylene ( C2H2cap C sub 2 cap H sub 2

A mixture of silicates and aluminates of calcium. Gypsum is added to cement to slow down its setting time. Soap: Sodium or potassium salts of long-chain fatty acids. Polymers: Polythene: Polymer of ethene.

Noble Gases or Inert Gases (stable, zero valency). Periodic Trends