What classes do the substances belong to: HCl, SiO2, H2SiO3, MgOH
| December 9, 2020 | education
1) HCl – acid (hydrochloric acid)
2) SiO2 – oxide (silicon oxide 4)
3) H2SiO3 – acid – metasilicic acid
4) MgOH – base – magnesium hydroxide
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