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前两种含二氧化硅，会和碳酸钠反应，第三种氧化铝会和碱性物质碳酸钠反应生成偏铝酸钠。http://zhidao.baidu.com/question/322591401.html?fr=ala&device=mobile&ssid=0&from=1000464b&uid=9D9DE20D0D5BB89286FF944F9870541C&pu=cuid%40l8vSi0iIBilKi28B_8H2i_i0-i0CavahlOHOtlae-u8bu281gavf8_a6v8_duviaA%2Csz%401320_480%2Cosname%40baidubrowser%2Ccua%40_avYh_aAvCIbJEjPkJAiC_hV2I_UC2ij4a2OiqqHB%2Ccut%400ks9R_u-2iykaXibouDlt45EAqfJrmoXA%2Cctv%402%2Ccfrom%401000790e%2Ccen%40cuid_cua_cut%2Ccsrc%40app_box_txt%2Cusm%400%2Cta%40bmbadr_1_4.3_5_4.0&bd_page_type=1&tj=zhidao_1_0_10_title