The common name of the compound with the molecular formula CaSO4.2H2O is:
Gypsum
Epsum
Soda ash
Plaster of Paris
The common name of CaSO4.2H2O is Gypsum.
Consider the following substances :
NaCl, Ca(OH)2, NaHCO3, NH3, Na2CO3, H2O, Cl2 CO2, CaSO4.2H2O, 2CaSO4.H2O, CaOCl2
(a) Which two substances combine to form bleaching powder :
(b) Which four substances are utilised in the production of washing soda ?
(c) Which compound represents plaster of Paris ?
(d) Which compound is a part of baking powder ?
(e) Which compound is used as an antacid ?
Plaster of Paris is prepared by heating one of the following to a temperature of 100o C. This is :
(a) CaSO32H2O
(b) CaCl22H2O
(c) CaCO3.2H2O
(d) CaSO4.2H2O