4.制备单质硅时,主要化学反应如下 ①SiO2+2C==高温==Si+2CO↑ ②Si+2CL2==高温==SiCL4 ③SiCL4+2H2==高温4.制备单质硅时,主要化学反应如下①SiO2+2C==高温==Si+2CO↑②Si+2CL2==高温==SiCL4③SiCL4+2H2==高温==Si+4HCL
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![4.制备单质硅时,主要化学反应如下 ①SiO2+2C==高温==Si+2CO↑ ②Si+2CL2==高温==SiCL4 ③SiCL4+2H2==高温4.制备单质硅时,主要化学反应如下①SiO2+2C==高温==Si+2CO↑②Si+2CL2==高温==SiCL4③SiCL4+2H2==高温==Si+4HCL](/uploads/image/z/6425131-67-1.jpg?t=4.%E5%88%B6%E5%A4%87%E5%8D%95%E8%B4%A8%E7%A1%85%E6%97%B6%2C%E4%B8%BB%E8%A6%81%E5%8C%96%E5%AD%A6%E5%8F%8D%E5%BA%94%E5%A6%82%E4%B8%8B+%E2%91%A0SiO2%2B2C%3D%3D%E9%AB%98%E6%B8%A9%3D%3DSi%2B2CO%E2%86%91+%E2%91%A1Si%2B2CL2%3D%3D%E9%AB%98%E6%B8%A9%3D%3DSiCL4+%E2%91%A2SiCL4%2B2H2%3D%3D%E9%AB%98%E6%B8%A94.%E5%88%B6%E5%A4%87%E5%8D%95%E8%B4%A8%E7%A1%85%E6%97%B6%2C%E4%B8%BB%E8%A6%81%E5%8C%96%E5%AD%A6%E5%8F%8D%E5%BA%94%E5%A6%82%E4%B8%8B%E2%91%A0SiO2%2B2C%3D%3D%E9%AB%98%E6%B8%A9%3D%3DSi%2B2CO%E2%86%91%E2%91%A1Si%2B2CL2%3D%3D%E9%AB%98%E6%B8%A9%3D%3DSiCL4%E2%91%A2SiCL4%2B2H2%3D%3D%E9%AB%98%E6%B8%A9%3D%3DSi%2B4HCL)
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