July 2022 1 21 Report

1.И соляная кислота и гидроксид натрия реагируют с : 1-медью 2-алюминием 3-фосфором 4-серой 2.При прокаливании какой соли образуется металл? 1-AgNO3 2-CaCO3 3-NaNO3 4-(CuOH)2CO3

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