[" Setting of Plaster of Paris involves "],[" (A) Oxidation with atmospheric "],[" oxygen "],[" (B) Combination with "],[" atmospheric "CO_(2)],[" (C) Dehydration "]

The setting of plaster of paris involves

Increase in atmospheric CO_(2)

Increase in atmospheric CO_(2)

Setting of plaster of Paris involves: (A) The oxidation with atmospheric oxygen (B) The removal of water to form anhydrous calcium sulphate (C) The hydration to form the orthorhombic form of gypsum (D) The reaction with atmospheric carbon dioxide gas

The CO_2 content in the atmosphere is

The source of carbon is atmospheric CO_2 in

The source of carbon is atmospheric CO_2 in