Question

Wood charcoal is used in gas masks because it _____________.

• A. has good smell
• B. dissolves poisonous gases
• C. adsorbs poisonous gases
• D. reacts with poisonous gases

Answer 1

The correct option is C adsorbs poisonous gases

Activated charcoal readily adsorbs a wide range of organic compounds dissolved or suspended in gases and liquids. These charcoal filters are also used in some types of gas masks.

Gas mask: used to protect the wearer from inhaling airborne pollutants and toxic gases.