ximiya_sor-7_9-klass var 1

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[image: ] [bookmark: _hlk159279163]zadaniya dlya opredeleniya urovnya usvoeniya ximii v obsheobrazovatelnoy shkole na 2024-2025 uchebniy god uchenik 9-___klassa __________________________________________________ f.i.o. obshiy ball:_____ (maksimalniy ball: 30) iv chetvert sor-7 1. napishite elektronnuyu konfiguratsiyu xroma. __________________________________________________________________________________________________________________________________________ [bookmark: _hlk164756165]2. napishite uravneniya reaktsiy, pozvolyayushix osushestvit sleduyushie prevrasheniya. fe → feso4 → fe(oh)2 → fe(no3)2 ________________________________________________________________________________________________________________________________________ __________________________________________________________________ 3. opredelite izmenenie stepeni okisleniya margantsa. mnso4 – mn(oh)2 – mncl2 [bookmark: _hlk165819033]4. v rezultate vzaimodeystviya 16,25 g jeleza s xlorom poluchen xlorid jeleza (iii). opredelite massu produkta, obrazovavshegosya v rezultate reaktsii. dano: reshenie: [bookmark: _hlk165819118]5.napishite otveti, kotorie sootvetstvuyut sleduyushim ionam. ion metalla izmenenie tsveta pri dobavlenii neskolkix kapel naoh uravnenie reaktsii fe2+ fe3+ image1.png image2.png

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[image: ] [bookmark: _hlk159279163]zadaniya dlya opredeleniya urovnya usvoeniya ximii v obsheobrazovatelnoy shkole na 2024-2025 uchebniy god uchenik 9-___klassa __________________________________________________ f.i.o. obshiy ball:_____ (maksimalniy ball: 30) iv chetvert sor-7 1. napishite elektronnuyu konfiguratsiyu xroma. __________________________________________________________________________________________________________________________________________ [bookmark: _hlk164756165]2. napishite uravneniya reaktsiy, pozvolyayushix osushestvit sleduyushie prevrasheniya. fe → feso4 → fe(oh)2 → fe(no3)2 ________________________________________________________________________________________________________________________________________ _____________________________________________________...

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