Question

give an example of a chemical reaction in which each of this change in seen . question no. 1 a gas is produced​

Answer 1

Answer:

sodium bicarbonate + acetic acid = carbon dioxide + sodium acetate + water.

Explanation:

when we will react sodium bicarbonate( baking soda) with vinegar A strong effervescence or fizz sound occurs indicating the formation of carbon dioxide gas. Along with sodium acetate and water

Answer 2

Answer:

any ammonium salt reacts with alkali to give salt,water and gas.

NH3 is a gas name ammonia

Explanation:

NH4Cl + NaOH ------> CaCl2+H2O+NH3