Ethiopian grade 11&12 New curriculum books 📚

በዛሬው እለት ፕሮፌሰር ብረሃኑ ነጋ በጋምቤላ ክልል  ከተማሪዎች ለቀረበላቸው ጥያቄ ሲመልሱ 9ኛ እና 10ኛ ክፍል በአሮጌው (Old)Curriculum  እንዲሁም 11&12ኛ ክፍል በአዲሱ(New)Curriculum እንደሆነ ተናግረዋል🙏 "እንኳን ባልተማርከው በተማርከውም  ፈትነን ማሳለፍ አልቻልንም"😂ፕሮፌሰር ብረሃኑ ነጋ ከዚህ ንግግራቸው መረዳት እንደሚቻለው ሁላቹም ካለተማራቹት እንደማትፈተኑ ነው🙏 https://t.me/zsecrettrainingcenter

✅ "Names and Formulas of Chemical Elements!" 🔺 Common salt = NaCl 🔺Baking soda = NaHCO₃ 🔺 Washing soda = Na₂CO₃ 10H₂O 🔺Caustic Soda = NaOH 🔺Suhaga = Na₂B₄O₇ 10H₂O 🔺 Alum = K₂SO₄ Al₂(SO₄)₃ 24H₂O 🔺Red medicine = KMnO₄ 🔺 Caustic Potash = KOH 🔺Saltpeter = KNO₃ 🔺Bleaching powder = Ca(OCl)Cl 🔺 lime water = Ca(OH)₂ 🔺Gypsum = CaSO₄ 2H₂O 🔺 Plaster of Paris = CaSO₄ ½H₂O 🔺Chalk = CaCO₃ 🔺Limestone = CaCO₃ 🔺 Marble = CaCO₃ 🔺Nausadar = NH4Cl 🔺Laughing gas = N₂O 🔺 Litharge = PbO 🔺 Galena = PbS 🔺Red vermilion = Pb₃O₄ 🔺White lead = 2PbCO₃ Pb(OH)₂ 🔺 Salt acid = HCl 🔺Shore's acid = HNO₃ 🔺Amalraj = HNO₃ + HCl (1 : 3) 🔺Dry ice = CO₂ 🔺Green Case = FeSO₄ 7H₂O 🔺 Horn Silver = AgCl 🔺 Heavy water = D₂O 🔺Producer gas = CO + N₂ 🔺Marsh gas = CH₄ 🔺Vinegar = CH₃COOH 🔺Gemaxine = C₆H₆Cl₆ 🔺Blue Case = CuSO₄ 5H₂O 🔺alcohol = C₂H₅OH 🔺 Mand = C₆H₁₀O₅ 🔺Grape juice = C₆H₁₂O₆ 🔺sugar = C₁₂H₂₂O₁₁ 🔺 Urea = NH₂CONH₂ 🔺 Benzene = C₆H₆ 𝐒𝐇𝐀𝐑𝐄:➜ https://t.me/qubeeacademy https://t.me/qubeeacademy If you're a high school or university student seeking video tutorials, check out our YouTube channel 👇👇👇👇👇👇👇👇👇👇👇👇 https://youtube.com/channel/UCLPTQfMXS6we7aTT4g9MwCw 𝐒𝐇𝐀𝐑𝐄:➜ 📖 ➜@BURKA_ACADEMY

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