Question

- Write an equation to how the reaction between plaster of Paris and water. And write two
uses. (2)
How is bleaching powder prepared? Write chemical name and chemical equation of the​

Answer 1

Answer:

- Write an equation to how the reaction between plaster of Paris and water. And write two

uses. (2)

How is bleaching powder prepared? Write chemical name and chemical equation of the

Answer 2

Write an equation to show the reaction between Plaster of Paris and water?

A

Plaster of ParisCaSO4.21H2O+Water23H2O⟶GypsumCaSO4.2H2O

B

Plaster of ParisCaSO4.H2O+Water23H2O⟶GypsumCaSO4.25H2O

C

Plaster of ParisCaSO4.H2O+WaterH2O⟶

The chemical formula of bleaching powder is CaOCl2. It is also called chloride of lime. Bleaching powder is prepared by passing chlorine gas over dry slaked lime: Ca(OH)2 + Cl2 --------> CaOCl2 + H2O.

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