Question

which gas test is this zn + HCI (a) oxygen (b) nitrogen (c) hydrogen (d) Carbondioxide ​

Answer 1

Answer:

Hydrogen gas

Explanation:

When zinc reacts with hydrochloric acid, the reaction bubbles vigorously as hydrogen gas is produced. The production of a gas is also an indication that a chemical reaction is occurring. Zinc reacting with hydrochloric acid produces bubbles of hydrogen gas.