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प्रश्न
Give an example of the following chemical changes.
A reaction involving
(i) Change of state
(ii) formation of precipitate
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उत्तर
(i) Change of state
Ammonia gas reacts with HCl gas to give solid ammonium chloride.
NH3(g) + HCl(g) ⇋ NH4Cl(s)
(ii) Formation of precipitate
When a solution of silver nitrate is added to a solution of sodium chloride, a white insoluble substance, silver chloride, is formed.
AgNO3(aq) + NaCl(aq) → AgCl(aq) + NaNO3(aq)
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संबंधित प्रश्न
Classify the following reaction as combination, decomposition, displacement, precipitation and neutralization. Also balance the equation.
\[\ce{NH3_{(g)} + HCl_{(g)} -> NH4Cl_{(s)}}\]
Give a reason.
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Fe + H2O → Fe3O4 + H2
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Precipitate
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Precipitate is formed
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\[\ce{H->H+}\]
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