Q: When zinc reacts with hydrochloric acid, the reaction bubbles vigorously as which type of gas is produced?


Read this paragraph and choose the correct option from the provided answers:

When zinc reacts with hydrochloric acid, the reaction bubbles vigorously as hydrogen gas is produced ( Figure below ). The production of a gas is also an indication that a chemical reaction may be occurring.

 Choices:

- chlorine

- oxygen

- nitrogen

- hydrogren


A:
hydrogren