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Which of the following is a method of preparation of sodium hydroxide?

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in Chemistry – Class 11 by (148k points)
Which of the following is a method of preparation of sodium hydroxide?

(a) syngas reaction

(b) causticizing process

(c) purification

(d) water gas reaction

This question was posed to me in examination.

My question is based upon s-Block Elements in section s-Block Elements of Chemistry – Class 11

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Correct choice is (b) causticizing process

To explain: A 10 percent solution of sodium carbonate is treated with milk of lime, this is known as causticizing process and is one of the methods of preparation of sodium hydroxide, sodium carbonate reacts with calcium hydroxide to form calcium carbonate as precipitate and sodium hydroxide.

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