The best way to treat liquid waste with blood, urine or hospital sewage is –

Correct option is C

Sol. Chemical disinfection using agents like hypochlorite is best for treating hospital liquid waste. Explanation of each option: ● (a) Microwave irradiation – More effective for solid infectious waste, not liquids. ● (b) Physical disinfection – Includes methods like boiling, less reliable for biohazardous liquids. ● (c) Chemical disinfection – Correct answer. Used for treating contaminated fluids before disposal. ● (d) Incineration – Meant for dry solid waste like plastics, not suitable for liquid waste.