79 Q 18 A salt X is heated to become its dehydrated form Y

Last updated: 7/4/2023

79 Q 18 A salt X is heated to become its dehydrated form Y and this Y after mixing with water becomes X that can be used for white washing of walls and this solution dries very quickly and become hard mass Y The substance X and Y respectively is Full Marks 1 a Calcium oxide and calcium hydroxide b Calcium carbonate and calcium oxide c POP and gypsum d Gypsum and POP