Write the reaction equation: NaOH-na2sio3-h2sio3-sio2
| August 31, 2021 | education
1. Reaction of sodium hydroxide with silicon oxide:
2NaOH + SiO2 = Na2SiO3 + H2O.
2. In reactions with acids, sodium silicate forms silicate acid:
Na2SiO3 + H2SO4 = H2SiO3 + Na2SO4.
Na2SiO3 + 2HCl = H2SiO3 + 2NaCl.
3. Decomposition of silicate acid into water and silica:
H2SiO3 = H2O + SiO2.
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