Question

When zinc granules are added in dilute sulphuric acid effervescence is formed and this is passed through soap solution (text book ph no. 19) is it necessary to do so will it affect the gas formed in any way

Answer 1

Hydrogen gas liberated after the reaction between zn granules and dil h2so4, if passed in the soap solution, the soap bubbles will rise further up and if we introduce a burning splinter to the bubble it bursts with a pop sound showing the presence of hydrogen which is lighter than air.