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. Name the gas evolved. Write the chemical equation of the reaction involved and also write a test to detect the gas formed.
ScienceClass 10CBSEAnswered 27 Mar 2026
Answer
Soln:
When Zinc reacts with Dilute acid solution, following reaction takes place Hydrogen gas is evolved Zn + 2HCl ZnCl2 + H2
When Hydrogen gas is brought near Burning flame, pop pops up which is the confirmation for evolution of Hydrogen gas.