2010 · Q3
Statement IDuring the setting of cement the structure has to be cooled by spraying water.
Statement IIThe , constituents of cement undergo’ hydration during setting of cement and it is an exothermic reaction.
General KnowledgeChemistry
- ABoth the statements are individually true and statement II is the correct explanation of statement I
- BBoth the statements are individually true, but statement II is not the correct explanation of statement I
- CStatement I is true, but statement II is false
- DStatement I is false, but statement II is true
Explanation
Cement hydration is exothermic, so cooling by water spraying is needed; II explains I.