Ответ:
1)Si+ 02=Si02;
2) Si02 t Na20 = Na2Si03;
3) Na2Si03 + H2S04 = Na2504 + H2SI03;
4)H2S103-H20+ Si02;
5)SiO2+C-Si+C02
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Verified answer
Ответ:
1)Si+ 02=Si02;
2) Si02 t Na20 = Na2Si03;
3) Na2Si03 + H2S04 = Na2504 + H2SI03;
4)H2S103-H20+ Si02;
5)SiO2+C-Si+C02