CBSE Class 11-science Answered
what is the effect of heat on magnesium chloride hexa hydrate and gypsum
Asked by Aakrati Gawande | 26 Mar, 2014, 03:34: PM
Expert Answer
Magnesium chloride hexahydrate (MgCl2•6H2O), which has a boiling point of 100°C at 760 mmHg (Predicted).
Magnesium Chloride Hexahydrate is not combustible, and does not contribute to the intensity of a fire; however, water should be used to fight fire involving this material in flooding quantities, as reaction with water can produce sufficient heat to ignite other combustible materials. Closed containers exposed to heat may explode.
On heating gypsum at, it loses water molecules and becomes calcium sulphate hemihydrate ( CaSO4. 1/2 H2O). This is called Plaster of Paris.
Answered by | 27 Mar, 2014, 11:39: AM
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