Question

Give an example of a chemical along with an equation for each of the following situations : A) A gas is evolved​

Answer 1

Pani ko gas per chadhave aur Jala do Us Paar Laga Dena

Explanation:

like karna Mat Bhulna bahut Marenge follow Nahin Ki to

Answer 2

Answer:

1.Evolution of gas:

The chemical reaction between zinc and dilute sulphuric acid is characterized by the evolution of hydrogen gas.

Zn(s)+H 2 SO4(aq)→ZnSO 4(aq)+H2 (g)