Skip to main content

Posts

Showing posts with the label Core Chemistry concepts and related MCQS

*🔯 Core Chemistry concepts and related MCQS

☆Ordinary salt ➠ NaCl ✶ baking soda ➠ NaHCO₃ ✶ Wash the soda ➠ Na₂CO₃ · 10H₂O ✶ Caustic soda ➠ NaOH ✶ Suhga ➠ Na₂B₄O₇ · 10H₂O.     ✶ alum➠ K₂SO₄ · Al₂ (SO₄) ₃ · 24H₂O ✶ red medicine ➠ KMnO₄ ✶ Caustic potash ➠ KOH ✶ Shura ➠ KNO₃ ✶ Bleach bleaching ➠ Ca (OCl) · Cl ✶ Lime water ➠ Ca (OH) ₂ ✶ Gypsum ➠ CaSO₄ · 2H₂O ✶ Plaster of Paris➠ CaSO₄ · ½H₂O ✶ Choke ➠ CaCO₃ ✶ limestone ➠ CaCO₃ ✶ marble ➠ CaCO₃ ✶ Salon ➠ NH₄Cl ✶ Laughing gas ➠ N₂O ✶ Litharge ➠ PbO ✶ Galena ➠ PbS ✶ red vermilion ➠ Pb₃O₄ ✶ white lead ➠2PbCO₃ · Pb (OH) ₂ ✶ salt acid ➠ HCl ✶ Shure Acid ➠ HNO₃ ✶ Acarus ➠ HNO₃ + HCl (1: 3) ✶ dry ice ➠ CO₂ ✶ green clasp ➠ FeSO₄ · 7H₂O ✶ Horn Silver ➠ AgCl ✶ heavy water ➠ D₂O ✶ Producer gas ➠ CO + N₂ ✶ vinegar ➠ CH₃COOH ✶ gamaxine ➠ C₆H₆Cl₆ ✶ Blue Kassis ➠ CuSO₄ · 5H₂O ✶ alcohol ➠ C₂H₅OH ✶ Manda ➠ C₆H₁₀O₅ ✶ Grapes juice ➠ C₆H₁₂O₆ ✶ Chinese ➠ C₁₂H₂₂O₁₁ ✶ Urea ➠ NH₂CONH₂ ✶ benzene ➠ C₆H₆ ✶ turpentine oil ➠ C₁₀H₁₆.