JEE Main 10 Apr 2019 Paper 2 Solved Paper

Section: Chemistry

Question : 39 of 90

Marks: +1, -0

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

[10 Apr 2019 Shift 2]

Baking soda and dead burnt plaster.
Baking soda and soda ash
Washing soda and dead burnt plaster
Washing soda and soda ash

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