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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 :

(a)

Banking soda and dead burnt plaster.

(b)

Banking soda and soda ash.

(c)

Washing soda and soda ash.

(d)

Washing soda and dead burnt plaster.



Question ID - 56298 | SaraNextGen Top Answer

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 :

(a)

Banking soda and dead burnt plaster.

(b)

Banking soda and soda ash.

(c)

Washing soda and soda ash.

(d)

Washing soda and dead burnt plaster.

1 Answer
127 votes
Answer Key / Explanation : (c) -

                                         (Y)

           (Y)                          (X)

X= Washing soda

Y= Soda ash

127 votes


127