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