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 and also write a test to detect the gas formed.

When zinc metal is treated with a dilute solution of a strong acid, a

1.	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 and also write a test to detect the gas formed.
Answer» When zinc reacts with dilute solution of strong acid, it forms salt and hydrogen gas is evolved. Zn + 2HCl ------> 2nCl₂ + H₂ When a burning splinter is brought near the mouth of the test tube, the gas burns with a pop sound.