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प्रश्न
How does aluminum react with the Acid ?
उत्तर
Acid: It reacts with acids to produce salt and hydrogen.
`2Al + 6HCl → 2 AlCl_3 +3H_2`
Dilute sulphuric acid reacts with metal to liberate hydrogen.
`2Al + 3H2SO_4 (dilute) → Al_2(SO_4)_3 +3H_2`
Concentrated sulphuric acid reacts with aluminium to produce sulphur dioxide.
`2Al + 6H_2SO_4 → Al2(SO4)_3 +6H_2O +3SO_2`
Dilute and concentrated nitric acid does not attack the metal aluminium.
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