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anasteyshagrey
@anasteyshagrey
August 2022
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Напишите уравнения реакций между оксидом кремния (4) и а) магнием б)гидроксидом калия в)оксидом магния г) хлором д) фтороводородной кислотой
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Verified answer
SiO₂ + 2Mg = Si + 2MgO (t=800C)
SiO₂ + 2KOH = K₂SiO₃ + H₂O
SiO₂ + MgO = MgSiO₃
SiO₂+ Cl₂ = \\
SiO₂ + 3HF = SiF₄ + 2H₂O (t=250C)
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Verified answer
SiO₂ + 2Mg = Si + 2MgO (t=800C)SiO₂ + 2KOH = K₂SiO₃ + H₂O
SiO₂ + MgO = MgSiO₃
SiO₂+ Cl₂ = \\
SiO₂ + 3HF = SiF₄ + 2H₂O (t=250C)