Question

When a person's clothes catch fire, he or she is wrapped in a thick blanket so as to

• A. cut off the oxygen supply.
• B. cut off the nitrogen supply.
• C. keep the body cool.
• D. cut off the inert gas supply.

Answer 1

The correct option is A

cut off the oxygen supply.

The main component of air that supports combustion is oxygen. When a person's clothes catch fire, he or she is wrapped in a thick blanket so as to cut off the oxygen supply, since oxygen is a supporter of combustion.