nguyenmaitrang.4701 4/12/2024 8:36:29 PM

Câu 67. Phản ứng nào sau đây là phản ứng nhiệt nhôm ?

        A. Fe2O3 + 2Al https://lh7-us.googleusercontent.com/UT38h7tANeioH_dqDpLFSOZj1--yRG1VmrunYJ5m1xx8cQEAvlOUjuQH2qv3-cqfwAYkeuspElDBsI0D2FransFjYY34aatoOs8n5F5mGbbby2wXZMvl32vfGTF-WO9VvJryojl3iO6rmLs=s8002Fe + Al2O3.                   B. 2Al + 2NaOH + 2H2https://lh7-us.googleusercontent.com/fW-q1bHhEIJxxIe8nRRaHDru3Ihins_OUgRQvPcAacBAwjRt_X1BmTPMcG-cZ3Oqi6QBPRyD6d4NByoPkxKQ5KM8MbdwQgFAQJsT1Bu5TC07BIArM4p29piKAheLgStypHYIyFzoFqDhnno=s800 2NaAlO2 + 3H2.

        C. 2Al + 3H2SO4 https://lh7-us.googleusercontent.com/fW-q1bHhEIJxxIe8nRRaHDru3Ihins_OUgRQvPcAacBAwjRt_X1BmTPMcG-cZ3Oqi6QBPRyD6d4NByoPkxKQ5KM8MbdwQgFAQJsT1Bu5TC07BIArM4p29piKAheLgStypHYIyFzoFqDhnno=s800 Al2(SO4)3 + 3H2.                 D. 2Al + 3CuSO4 https://lh7-us.googleusercontent.com/fW-q1bHhEIJxxIe8nRRaHDru3Ihins_OUgRQvPcAacBAwjRt_X1BmTPMcG-cZ3Oqi6QBPRyD6d4NByoPkxKQ5KM8MbdwQgFAQJsT1Bu5TC07BIArM4p29piKAheLgStypHYIyFzoFqDhnno=s800Al2(SO4)3 + 3Cu.

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