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Class 10 Chemistry - Essential Chemical Formulas

Chemical Formulas 1 Acetic Acid (Vinegar) CH₃COOH 2 Aluminium chloride AlCl 3 3 Aluminium hydroxide Al(OH) 3 4 Aluminium oxide (Alumina) Al 2 O 3 5 Aluminium sulphate Al 2 (SO 4 ) 3 6 Ammonia NH₃ 7 Ammonium Chloride NH₄Cl 8 Ammonium hydroxide NH 4 OH 9 Ammonium Nitrate NH₄NO₃ 10 Barium chloride BaCl 2 11 Barium Sulphate BaSO4 12 Calcium carbonate (Limestone / Marble / Chalk) CaCO₃ 13 Calcium chloride CaCl 2 14 Calcium hydride CaH 2 15 Calcium hydrogen carbonate Ca(HCO 3 ) 2 ...

🧪 Complete List of 118 Elements, Symbols & Atomic Numbers – Ultimate Periodic Table Guide!

🧪 Complete List of 118 Elements, Symbols & Atomic Numbers – Ultimate Periodic Table Guide! 🔥 Everything You Need to Know About the Periodic Table Are you searching for a complete list of 118 elements along with their symbols and atomic numbers? Whether you're a student, teacher, or science enthusiast, this detailed periodic table guide is all you need! 🚀 Understanding elements is crucial for chemistry, and this guide highlights the most commonly used elements in Class 10 and beyond. Let’s dive into the building blocks of matter! 🔬 🌟 What Are Chemical Elements? A chemical element is a substance made up of only one type of atom, identified by its atomic number (number of protons). Elements are the foundation of everything in the universe, from the oxygen we breathe to the gold in our jewelry! 📜 Full List of 118 Elements, Symbols & Atomic Numbers , with elements commonly used in Class 10 reactions highlighted in yellow (🟡). Atomic Number Element Name Symbol ...

Habitat and Adaptations | Class 6 Science | CBSE | Solved Questions & Answers

8. Habitat and Adaptations A. Answer the following in not more than 20 words: 1. What is a habitat ? Give one example of a fresh water habitat. Habitat is the place where an organism (or a whole community of organisms) lives naturally. River is a fresh water habitat. 2. What factors constitute the abiotic component of a habitat? The non-living things like air water, soil and temperature constitute the abiotic components of a habitat. 3. How do whales breathe? Some marine animals like whales and dolphins breathe through lungs. They come up to water surface to breathe in air. 4. Name two scavengers. Vultures and jackals are two scavengers. 5. What are primary consumers? Animals, wh...

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