Answer the following question given this paragraph: 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. Q: When zinc reacts with hydrochloric acid, the reaction bubbles vigorously as which type of gas is produced? Choices: - chlorine - oxygen - nitrogen - hydrogren A:
A:
hydrogren