Ease Chemistry Classes

26/06/2024

09/03/2023

Join now
Contact:- 079058 57828

29/09/2022

Contact :- 7905857828

19/06/2021

Pure nitric acid barely reacts with copper metal, due to an effect called passivation. However, when water is added, the acid is diluted and passivation no longer occurs.
The nitric acid can then freely attack the metal, forming blue copper nitrate and a lot of nitrogen dioxide gas.

15/02/2021

*CHEMISTRY FORMULAS

☆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
✶ Narble ➠ 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

27/01/2021

https://t.me/joinchat/IRHFaMHvAOrVPQ2w

Join KCC Telegram group for Ease Chemistry notes & Class info.