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3. Metals and Non-metals
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Which gas is produced when dilute hydrochloric acid is added to a reactive metal? Write the chemical reaction when iron reacts with dilute $H_2SO_4$.
Option A
Option B
Option C
Option D
Solution
Hydrogen gas is evolved when dilute hydrochloric acid is added to a reactive metal.
When iron reacts with dilute $H _{2} SO _{4}$ iron $(II)$ sulphate with the evolution of hydrogen gas is formed.
$Fe _{( s )}+ H _{2} SO _{4( aq )} \longrightarrow FeSO _{4( aq )}+ H _{2( g )}$
Standard 10
Science
Similar Questions
Metallic oxides of zinc, magnesium and copper were heated with the following metals.
| Metal | Zinc | Magnesium | Copper |
| Zinc oxide | – | – | – |
| Magnesium oxide | – | – | – |
| Copper oxide | – | – | – |
In which cases will you find displacement reactions taking place ?
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