**Core Concept:** Destruction of hospital waste products involves various methods to prevent contamination, disease transmission, and environmental damage. The correct method helps in reducing the risk of infection and harm to humans and the environment.

**Why the Correct Answer is Right:** The correct answer, incineration (Option C), is a process that uses high temperatures to burn waste products, producing ash and gases. This method effectively destroys harmful pathogens, chemicals, and biological materials, making the waste safe for disposal and reducing the risk of infection for healthcare workers and the public. Additionally, incineration helps in reducing the volume of waste, making storage and transportation easier.

**Why Each Wrong Option is Incorrect:**

A. Steam sterilization (autoclaving) is a process that uses high temperatures and steam to sterilize medical equipment and instruments. It is not suitable for waste destruction, as it is designed for sterilization purposes and does not ensure the complete destruction of pathogens and chemicals.

B. Chemical treatment (Option D) involves the use of chemicals to break down waste products. However, chemicals alone are not sufficient for complete pathogen destruction and may not be effective in eliminating all hazardous substances, making it an inadequate method for waste disposal.

C. Incineration, as explained earlier, effectively destroys pathogens, chemicals, and biological materials, rendering the waste safe for disposal and preventing infection transmission. This method also reduces waste volume, making storage and transportation more manageable.

D. Landfilling (Option A) is not an appropriate method for waste destruction as it only involves burying waste products in a designated area, which does not ensure pathogen and chemical elimination. Additionally, landfilling can lead to environmental pollution and the potential release of hazardous substances.

**Clinical Pearl:** Proper waste disposal methods, like incineration, are crucial to protect healthcare workers, patients, and the environment from contamination and disease transmission. It is essential to follow standardized guidelines for waste segregation, treatment, and disposal in healthcare facilities.