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प्रश्न
Give one example that illustrates the following characteristics of a chemical reaction:
Change in state
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उत्तर
The reaction between hydrogen sulphide and chlorine (both gases) produces sulphur (solid) and hydrogen chloride (gas).
\[\ce{\underset{Hydrogen sulphide}{H2S_{(g)}} + \underset{Chlorine}{Cl2_{(g)}}-> \underset{Hydrogen chloride}{2HCl_{(g)}} + \underset{(yellow solid)}{\underset{Sulphur}{S_{(s)}}}}\]
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संबंधित प्रश्न
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Ba`"CI"_2` + `"H"_2"SO"_4` `→`
(aq.) (aq.)
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- Formation of a precipitate.
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\[\ce{Na->Na+}\]
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______ is not a chemical change.
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- Digestion of food.
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