Images NA2S H2O2

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Na2s h2o2. H2s+o2 ОВР. Sb2s3 +h2o2. Si02+h20. Sio2 + 4 HF → 2 h2o + sif4 ОВР.
H2s+o2 ОВР. Sb2s3 +h2o2. Si02+h20. Sio2 + 4 HF → 2 h2o + sif4 ОВР.

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