Q 3. What happens when dilute hydrochloric acid is added to iron fillings? Tick the correct answer.
(a) Hydrogen gas and iron chloride are produced.
(b) Chlorine gas and iron hydroxide are produced.
(c) No reaction takes place.
(d) Iron salt and water are produced.
When dilute hydrochloric acid is added to iron fillings then hydrogen gas and iron chloride are produced.
Reaction is given as :
Thus, option (a) is correct.