Question

1. What are the products formed when less hydrochloric acid reacts with iron nail?
2. Fe2O3 + 2Al → Al2O3 + 2Fe
The above reaction is an example of a
(a) Combination reaction
(b) Decomposition reaction
(c) Double Displacement reaction
(d) Displacement reaction

Answer 1

Answer:

d) displacement reaction

Answer 2

Answer:

1. when solid iron filings are added to dilute aqueous Hydrochloric acid, then Iron (II)chloride or ferrous chloride is formed , with the liberation of Hydrogen gas….. ... Iron reacts slowly with hydrochloric acid.
2. (d) Displacement reaction

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