JEE Main 2020 (Online) 8th January Morning Slot | s-Block Elements Question 90 | Chemistry

A hydrated solid X on heating initially gives a monohydrated compound Y. Y upon heating above 373 K leads to an anhydrous white powder Z. X and Z, respectively, are :

Baking soda and dead burnt plaster.

Washing soda and soda ash

Washing soda and dead burnt plaster.

Baking soda and soda as.

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