1. 2HCl, H20
2. O2, CO2
3. 3Ca(OH)2
4. H2S
5. 3O2
6.хз
7.HCl
8.Na2S, H2S
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Answers & Comments
1. 2HCl, H20
2. O2, CO2
3. 3Ca(OH)2
4. H2S
5. 3O2
6.хз
7.HCl
8.Na2S, H2S