“🔥Roasting Cinnabar: From HgS to Shiny Mercury Metal! Class 10 NCERT”
Автор: Chemistry with QURESHI SIR
Загружено: 2025-08-18
Просмотров: 65
Описание:
Learn how Cinnabar (HgS), the main ore of Mercury, is converted into pure liquid Mercury through thermal decomposition and reduction reactions!
When HgS is heated in presence of air, it forms Mercuric oxide (HgO) and Sulphur dioxide (SO₂) gas.
Then, HgO is reduced with Hydrogen gas, giving pure Mercury (shiny liquid metal) and water as products.
This video is perfect for Class 10 NCERT, CBSE & ICSE students studying the chapter Metals and Non-metals.
Chemical Equations Shown:
🔥 2HgS(s) + 3O₂(g) → 2HgO(s) + 2SO₂(g)
🔥 HgO(s) + H₂(g) → Hg(l) + H₂O(l)
Easy, visual and exam-ready explanation!
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