Multiple choice

The chemical decomposition of organic materials by heating in the absence of oxygen or any other reagents is called

  1. Incineration

  2. Anaerobic digestion

  3. De-oxidization

  4. Pyrolysis

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Pyrolysis is the thermal decomposition of organic materials in complete absence of oxygen, which distinguishes it from incineration (burning with oxygen) and anaerobic digestion (biological decomposition by microorganisms). The key characteristic is heating without oxygen or other reagents.

Keep practicing — related questions