Question

Name the gas evolved when zinc reacts with water. How will you identify the gas evolved?​

Answer 1

Answer:

Zinc will react with sodium hydroxide to form sodium zincate and hydrogen gas will evolve.

Answer 2

Answer:

. Hydrogen gas is evolved.

Pop test is a common test which is used to check whether the gas evolved from the particular reaction is hydrogen. When any paper is burnt near the hydrogen gas, it produces pop sound which is quite audible. Moreover, it gives pungent and irritating smell when evolved.