Question

When a student added Zinc granules to dilute $HCl$, a colourless and odourless gas was evolved, which was tested with a burning match stick, it was observed that:

• A. The matchstick continued to burn brilliantly.
• B. The matchstick burnt slowly with a blue flame.
• C. The matchstick extinguished and the gas burnt with pop sound.
• D. The matchstick burnt with an orange flame.

Answer 1

The correct option is C

The matchstick extinguished and the gas burnt with pop sound.

Hydrogen gas is released which burns with pop sound