The number of water molecules in gypsum,dead | vedclass

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Question

(D) The chemical formula for gypsum is $CaSO_4 \cdot 2H_2O$,which contains $2$ water molecules.The chemical formula for dead burnt plaster is $CaSO_4$

Vedclass · Accepted Answer

$2, 0$ and $0.5$

Vedclass · Answer

(D) The chemical formula for gypsum is $CaSO_4 \cdot 2H_2O$,which contains $2$ water molecules.The chemical formula for dead burnt plaster is $CaSO_4$,which contains $0$ water molecules.The chemical formula for plaster of paris is $CaSO_4 \cdot \frac{1}{2}H_2O$,which contains $0.5$ water molecules.Therefore,the number of water molecules are $2, 0$ and $0.5$ respectively.

The number of water molecules in gypsum,dead burnt plaster and plaster of paris,respectively are:

Similar Questions

Identify correct statements from the following:
$i$. Beryllium oxide is an amphoteric oxide.
$ii$. Group $II$ elements dissolve in liquid ammonia to form deep blue-black solutions.
$iii$. The hydration enthalpy of group $II$ ions decreases from $Be^{2+}$ to $Ba^{2+}$.

Gypsum is added into the Portland Cement to:

Plaster of Paris is represented as

Which of the following statements is incorrect?

Which of the following pairs is chemically dissimilar?

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