Osnovaniia-konspekt Uroka Po Khimii 8 Klass [ PREMIUM ]

Общая характеристика оснований — урок. Химия, 8 класс. - ЯКласс

Bases: Composition, Classification, and Properties. Goal: To define bases, learn how to name them, and understand their behavior in chemical reactions. 1. Definition and General Formula osnovaniia-konspekt uroka po khimii 8 klass

Bases formed by alkali metals (Group IA) and alkaline earth metals (Group IIA, starting from Calcium). Examples: KOHcap K cap O cap H LiOHcap L i cap O cap H Insoluble: Most other metal hydroxides. Examples: 3. Chemical Properties Alkali (Soluble) Insoluble Bases Indicator Reaction Change color (e.g., Phenolphthalein turns pink) No color change Reaction with Acids Forms salt + water (Neutralization) Forms salt + water Thermal Decomposition Stable (except LiOHcap L i cap O cap H Decompose into Oxide + Water Reaction with Acid Oxides Forms salt + water Do not react 4. Safety and Application Goal: To define bases, learn how to name