In the laboratory preparation, calcium hydroxide is preferred than other caustic alkalis. Explain why.
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Solution
Calcium hydroxide is preferred over other caustic alkalis:
As calcium hydroxide is less expensive (cheap) than other caustic alkalis, it is chosen.
It does not show deliquescent nature. The process by which a material absorbs moisture from the atmosphere until it dissolves and forms a solution in the absorbed water is known as deliquescence.