When zinc metal is treated with a dilute solution of a strong acid, a gas is evolved, which is utilised in the hydrogenation of oil.
(i) Name the gas evolved.
(ii) Write the chemical equation of the reaction involved and also write a test to detect the gas formed.
(i) Hydrogen gas is evolved when Zn metal reacts with dilute acids.
(ii) The reaction involved is:
Test for H2 gas When this gas is passed through soap solution and a burning splinter is brought near the soap bubble filled with gas, it burns with a pop sound.