In which of the following processes entropy increases? A. A liquid evaporates to vapour. B. Temperature of a crystalline solid lowered from 130 K to 0 K C. 2 $NaHCO_3$(s) → $Na_{2}CO_3$(s) + $CO_2$(g) + $H_{2}O$(g) D. $Cl_2$(g) → 2Cl(g) Choose the correct answer from the options given below: