What is the chemical formula of Plaster of Paris?
- A$Ca_2SiO_4 \cdot \frac{1}{2}H_2O$
- B$Ca_2SiO_4 \cdot 2H_2O$
- C$CaSO_4 \cdot \frac{1}{2}H_2O$
- D$CaSO_4 \cdot 2H_2O$
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Similar Questions
Among the fluorides of group $2$ elements,which is maximum soluble in water and has the minimum melting point,respectively?
Medium
View SolutionWhich among the following elements of group-$2$ exhibits anomalous properties?
State True or False:
$(1)$ $90 \ g \ Na$ and $170 \ g \ K$ are present in a person with $70 \ kg$ of body weight.
$(2)$ Ionization enthalpy of alkaline earth metals increases on moving top to bottom.
$(3)$ In vapour phase,$BeCl_2$ possesses a polymer-like arrangement.
$(4)$ $CaCO_3$ is used in the preparation of mortar.
$(1)$ $90 \ g \ Na$ and $170 \ g \ K$ are present in a person with $70 \ kg$ of body weight.
$(2)$ Ionization enthalpy of alkaline earth metals increases on moving top to bottom.
$(3)$ In vapour phase,$BeCl_2$ possesses a polymer-like arrangement.
$(4)$ $CaCO_3$ is used in the preparation of mortar.
Difficult
View SolutionWhich of the following produces hydrolith with dihydrogen?
Easy
View SolutionWhich among the following elements is used in nuclear reactors as a moderator?
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