Q: 71 (CDS-II/2023)In which one of the following cases do both physical and chemical changes take place?Burning of candleFreezing of waterCooking of foodRusting of ironquestion_subject: Sciencequestion_exam: CDS-IIExplanationBurning of a candle involves both physical changes (melting of wax) and chemical changes (combustion of wax producing heat, light, carbon dioxide, and water vapor). Please login to bookmark this question