Read the given passage and fill in the blanks by choosing an appropriate option.When a limited quantity of water is sprinkled over a dirty white stone called ___i___, an ___ii___ reaction takes place. After some time, the stone like substance changes into white amorphous powder called, ___iii___ which is used for ___iv___.

• A. (i)(ii)(iii)(iv)Plaster of PairsExothermicQuick limeMedical purposes   
• B. (i)(ii)(iii)(iv)Quick limeExothermicSlaked limeWhite washing   
• C. Carbon dioxide and hydrogen are produced
• D. (i)(ii)(iii)(iv)Calcium carbonateEndothermicCalcium oxideWhite washing