Question

chemistry plz. give me correct answer for urgent . Answer the following Question.​

Answer 1

Answer:

A gas evaulation is a chemical reaction in which one of the products is a gas such as oxygen or carbon dioxide gas evalution reactions may be carried out in a fume chamber when the gas produced or poisonous when inhaled or explosive.

I DON'T KNOW EXAMPLES

Answer 2

Answer:

examples:

Sulphur dioxide

hydrogen sulfide

ammonium hydroxide

carbonic acid

Explanation:

evolution of gas:

it is a chemical reaction in which it's end product is a gas. this reaction may be carried out in a fame chamber when the gases produced are poisonous when inhaled or exploded.it is an acid base reaction.