Question

Give four uses of calcium oxide.

Answer 1

Answer.
1.        It is used as drying agent for gases and alcohol
2.        It is used in steel making, water treatment and other chemicals like slaked lime, bleaching powder, calcium carbide.
3.        It is used for purification of sugar
4.        A mixture of CaO and NaOH called soda lime is used to remove carbon dioxide and water vapours from atmosphere.

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