Which of the following step/(s) is/are carried out during preparation of caustic potash?
A
The reaction between potassium sulphate and baryta is carried out.
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B
The precipitated BaSO4 is separated.
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C
The filtrate is evaporated in the silver basin.
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D
All of the above
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Solution
The correct option is D All of the above All of the above steps are carried out during the preparation of caustic potash. The reaction between potassium sulphate and baryta is carried out. Note: Baryta is Ba(OH)2 K2SO4+Ba(OH)2→BaSO4↓2KOH The precipitated BaSO4 is separated. The filtrate is evaporated in the silver basin.