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Q12) i) In one of the industrial processes used for manufacture of Sodiumhydroxide, a gas X is formed as by product. The gas X reacts with lime waterto give a compound Y which is used as a bleaching agent in chemical industry.Identify X and Y giving the chemical equation of the reaction involved. ii) Howis plaster of paris prepared? Give the equation of the reaction involved. OR i)How can you test the presence of water of crystallisation in crystalline coppersulphate? Explain with the help of an activity and a labelled diagram. (5)​

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Answer:

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EXPLANATION:

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