Question
Question 5/10 Which fire extinguisher works by interfering with the chemical process of combustion? CO2 gas extinguisher Powder extinguisher Foam extinguisher Water extinguisher
Answer
4.3
(285 Votes)
Xena
Elite · Tutor for 8 years
Answer
### B. Powder extinguisher
Explanation
## Step 1: Identify the chemical process of combustion### Combustion is a chemical process that involves a fuel reacting with oxygen to produce heat and light. Extinguishers that interfere with this process disrupt the reaction.## Step 2: Analyze each extinguisher type###
gas extinguisher: Displaces oxygen and cools the fire.### Powder extinguisher: Interferes with the chemical reaction of combustion.### Foam extinguisher: Covers the fire, cutting off oxygen.### Water extinguisher: Cools the fire and removes heat.## Step 3: Determine the correct extinguisher### The powder extinguisher is specifically designed to interfere with the chemical reaction of combustion, making it the correct choice.#