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Get Answers to all your Questions
(a) What is ‘Water of crystalisation’ ?
(b) With the help of equations, state what happens when
(i) baking soda is heated during cooking ?
(ii) gypsum is heated at ?
Answers (1)
(a) Water of crystallization is the fixed number of water molecules present in one formula unit of salt
(b)
(i) When baking soda is heated during cooking,
NaHCO3 ------> Na2CO3 + H2O + CO2
(ii) When gypsum is heated at ,
CaSO4.2H2O ------- > CaSO4.12H2O (Plaster of Paris) + 3/2 H2O
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