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प्रश्न
State the following reaction whether heat is evolved or absorbed –
Two neutral gases on passage through an electric are given nitric oxide.
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उत्तर
Endothermic reaction, heat is absorbed.
Nitrogen and oxygen are the two neutral gases that form nitric oxide when electricity is passed.
\[\ce{\underset{Nitrogen}{N2(g)} + \underset{Oxygen}{O2(g)} ->[Electricity] \underset{Nitric oxide}{2NO(g)}}\]
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संबंधित प्रश्न
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Write an Explanation.
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Complete the following table:
| Chemical Reactions | Name reaction type |
| \[\ce{C(s) + O2(g) -> CO2(g)}\] | (a) ________ |
| \[\ce{Zn(s) + CuSO4(aq) ->}\] (b) _________ | Displacement reaction |
| \[\ce{2Cu(s) + O2(g) ->[heat] 2CuO(s)}\] | (c) _________ |
| \[\ce{C(s) + 2H2(g) -> CH4(g)}\] | (d) _________ |
| \[\ce{CaO(s) + H2O(l) -> Ca(OH)2(aq) + heat}\] | (e) _________ |
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Give a scientific reason.
While preparing dilute sulphuric acid from concentrated sulphuric acid in the laboratory, the concentrated sulphuric acid is added slowly to water with constant stirring.
