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Question:
Which gas is produced when dilute hydrochloric acid is added to a reactive metal? Write the chemical reaction when iron reacts with dilute H2SO4.
Answer:
- When dilute hydrochloric acid is added to a reactive metal, the hydrogen gas is formed.
- When dilute hydrochloric acid reacts with a reactive metal (alkali or earth alkali), hydrogen gas is formed.
Reaction of iron (Fe) with dilute sulphuric acid (H2SO4)
Fe(s) + H2SO4 (aq) → FeSO4 (aq) + H2 ↑(g)
Iron + dil. Sulphuric acid → Ferrous sulphate + Hydrogen gas (released)
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