20xx年秋九年級(jí)化學(xué)上冊(cè)第5單元化學(xué)方程式專題突破(五)習(xí)題課件新人教版(已修改)
2025-07-02 18:17 本頁(yè)面
【正文】 專題突破 (五 ) 化學(xué)方程式書寫的幾大題型 ◎ 題型一 正誤判斷型 1 . (2 01 7 上海 ) 鐵在 氧氣中燃燒的化學(xué)方程式書寫正確的是 ( ) A ． 3 Fe ＋ 2 O2 = = = = =點(diǎn)燃Fe3O4 B ． Fe ＋ O2 = = = = =點(diǎn)燃FeO2 C ． Fe ＋ O2 = = = = =點(diǎn)燃Fe3O4 D ． 4 Fe ＋ 3 O2 = = = = =點(diǎn)燃2 Fe 2 O 3 A 2 . 下列各方程式中 ， 書寫正確是 ( ) A ． P ＋ O 2 = = = = =點(diǎn)燃PO 2 B ． 2 K Cl O 3 = = = = =催化劑2 K Cl ＋ 3 O 2 ↑ C ． CH 4 ＋ 2 O 2 = = = = =點(diǎn)燃CO 2 ＋ 2 H 2 O D ． C ＋ 2 C uO = = = = =點(diǎn)燃2 Cu ＋ CO 2 C 3 . 下列化學(xué)方程式書寫錯(cuò)誤的是 ( ) A ． 2 H 2 O = = = = =通電2 H 2 ↑ ＋ O 2 ↑ B ． 2 K MnO 4 = = = = =
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