Question

Give one example each of a chemical reaction characterised by evolution of gas​

Answer 1

Answer:

Plz mark it a brainliest answer

Explanation:

Gas evolution reactions are a type of double displacement reaction where one of the products is a gas. ... For example, carbonic acid breaks down to water and carbon dioxide, sulfurous acid breaks down to water and sulfur dioxide, and ammonium hydroxide breaks down to water and ammonia gas.

Answer 2

Answer:

hope these answer may help you