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Soda Ash is a ___________ salt.

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in Chemistry – Class 11 by (148k points)
Soda Ash is a ___________ salt.

(a) moist

(b) anhydrous

(c) electrolysis

(d) wet

The question was posed to me in exam.

I need to ask this question from s-Block Elements topic in chapter s-Block Elements of Chemistry – Class 11

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Right answer is (b) anhydrous

To explain: Sodium carbonate crystallizes from water as decahydrate which effloresces. It on exposure to dry air forms monohydrate which on heating changes to the anhydrous side that is Soda Ash. Therefore, it is an anhydrous salt.

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