Soda lime is the mixture of CaO and NaOH chemicals.
CO 2 + Ca(OH) 2 CaCO 3 + H 2 O + heat (in the presence of water) Each mole of CO 2 (44 g) reacting with calcium hydroxide produces one mole of water .

Hello Aditi,

Soda lime is basically a compound made by the mixture of chemicals like NaOH and CaO. The chemical formula for soda lime is CaHNaO2. It has a unique property of absorbing moisture from the air. Since it can also absorb carbon dioxide CO2 gas, it is used in gas masks as well.