(a) When sulphur dioxide reacts with water then the product produced is sulphurous acid. Sulphur dioxide is present in the atmosphere and when rain occurs, it reacts with water and become sulphurous acid.
SO2 + H2O→ H2SO3
(b) When potassium oxide reacts with water then it produces potassium hydroxide.
K2O + H2O → 2KOH
(c) When carbon dioxide reacts with water it produces carbonic acid.
CO2 + H2O → H2CO3
(d) When calcium oxide reacts with water it produces calcium hydroxide.
CaO + H2O → Ca(OH)2
Rate this question :
Answer the followKarnataka Board - Science Part II