TS EAMCET 9-Sep-2020 Shift 1 Solved Paper

The word slaking means the addition of water to calcium oxide powder (lime). The resulting product is calcium hydroxide. (milk of lime)
CaO+H2O⟶Ca(OH)2
The reaction is exothermic, so the mixture heats up. Slaking is a key step in the most widely used procedure for formation of precipitated calcium carbonate. So, correct option is (c).