Class 10 NCERT Activity chapter 1 chemistry #ncert #education #chemicalreactions #activity

Video Chapter List 1.1 Magnesium Ribbon: Burning magnesium in air produces a dazzling white flame and forms a magnesium oxide ash (0:32-2:40). 1.2 Lead Nitrate & Potassium Iodide: Observes a double displacement reaction forming a yellow precipitate of lead iodide (2:41-4:45). 1.3 Zinc & Acid: Shows the reaction between zinc granules and hydrochloric acid, releasing hydrogen gas bubbles (4:46-7:04). 1.4 Calcium Oxide & Water: Demonstrates an exothermic reaction forming calcium hydroxide, which turns red litmus blue, proving its basic nature (7:05-9:52). 1.5 Thermal Decomposition of Ferrous Sulfate: Shows green crystals changing to white and then brown ferric oxide upon heating (9:53-12:39). 1.6 Thermal Decomposition of Lead Nitrate: Observes brown fumes of nitrogen dioxide and a yellow lead oxide residue (12:40-15:03). 1.7 Electrolysis of Water: Breaks water into hydrogen and oxygen using electricity; hydrogen is identified by a pop sound (15:04-19:09). 1.8 Photolytic Decomposition of Silver Chloride: Shows the chemical breaking down due to sunlight exposure (19:10-20:23). 1.9 Iron Nails & Copper Sulfate: Illustrates a displacement reaction where iron displaces copper, changing the solution color from blue to green (20:24-24:37). 1.10 Sodium Sulfate & Barium Chloride: Demonstrates a precipitation reaction producing a white barium sulfate precipitate (24:38-26:21). 1.11 Oxidation of Copper: Heating copper powder in air turns it black as it forms copper oxide (26:22-28:08).