Answer:
Answer - B
Explanation:
When chemical reactions are not properly managed, they can have harmful, or even catastrophic consequences, such as toxic fumes, fires, and explosions. These reactions may result in death and injury to people, damage to physical property, and severe effects on the environment. The effects can be swift, dramatic, and disastrous. As a direct result of the catastrophic impact of chemical reactions, there has been an ever-growing need for effective prevention and control methods. These methods include a safety evaluation of chemical reactions, processes and facilities. Reaction hazards that may require special attention in the process industries include: Reactions in the oil and gas industry are covered by the HMR section on "Hazardous chemicals—Hazards not otherwise classified (NBC)".