Gas masks containing activated chrcoal to remove poisonous gases from atmosphere act on principle of

Gas masks containing activated charcoal to remove poisonous gases from atmosphere acts on the principle of :

Give reason "activated charcoal is used in gas mask".

Give reason "activated charcoal is used in gas mask".

Give reason activated characoal is used in gas masks ''.

Name two poisonous gases that can be prepared from chlorine gas

Name some poisonous gases which can be prepared from chlorine gas.