Why is solution of potassium hydroxide used to absorb carbon dioxid evolved during the estimation of carbon present in an organic compound?

Why is solution of potassium hydroxide used to absorb carbon dioxide evolved during the estimation of carbon present in an organic compound?

Why is a solution of potassium hydroxide used to absorb carbon dioxide evolved during the estimation of carbon present in an organic compound?

Why is a solution of potassium hydroxide used to absorb carbon dioxide evolved during the estimation of carbon present in an organic compound?

Why is a solution of potassium hydroxide used to absorb carbon dioxide evoled during the estimation of carbon present in an organic compound?

One of these absorb carbon dioxide

Why is solution of KOH used to absorb CO_2 gas evolved during estimation of carbon in an organic compound?