C + O₂ =CO₂
CO₂ + H₂O= H₂CO₃
H₂CO₃ + 2KOH= K₂CO₃ +2 H₂O .
2S+302→SO3
SO3+H2O→H2SO4
H2SO4+2NaCL→Na2SO4+2HCL
Na2SO4+Ca(OH)2→CaSO4+2NaOH .
2K + K₂O₂ = 2K₂O
K2O + 2 HCl → 2 KCl + H2O
KCl + AgNO₃ = AgCl↓ + KNО₃
KNO3+ NaCl→ NaNO3+ KCl .
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C + O₂ =CO₂
CO₂ + H₂O= H₂CO₃
H₂CO₃ + 2KOH= K₂CO₃ +2 H₂O .
2S+302→SO3
SO3+H2O→H2SO4
H2SO4+2NaCL→Na2SO4+2HCL
Na2SO4+Ca(OH)2→CaSO4+2NaOH .
2K + K₂O₂ = 2K₂O
K2O + 2 HCl → 2 KCl + H2O
KCl + AgNO₃ = AgCl↓ + KNО₃
KNO3+ NaCl→ NaNO3+ KCl .