The number of water molecules in gypsum,dead | vedclass

Name: Exam Paper Generator | JEE NEET Paper Generator | Vedclass
Brand: Vedclass
Rating: 5 (35 reviews)

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

How does Plaster of Paris become hard?

The alkaline earth metal with the lowest density is

Assertion $(A)$: $Be$ and $Mg$ do not impart any colour to the flame.
Reason $(R)$: The electrons in them are too strongly bound to get excited by the energy of the flame.
The correct option among the following is:

What is the use of Plaster of Paris?

The alkaline earth metals,which do not impart any colour to Bunsen flame are

Vedclass Test Series

Exam Paper Generator

Online Exam Module