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प्रश्न
Give an example of an endothermic reaction.
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उत्तर
\[\ce{N2 + O2⇌[\Delta]2NO}\]
ΔT is an endothermic reaction.
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संबंधित प्रश्न
Define endothermic reactions. Give two examples of each.
FILL IN THE BLANK
In a................ reaction heat energy is absorbed.
Explain the term with examples.
Endothermic reaction
Name a nitrate which produces oxygen as the only gas.
Give an example of the following chemical changes.
An exothermic and an endothermic reaction involving carbon as one of the reactants.
State the following reaction whether heat is evolved or absorbed –
Two neutral gases on passage through an electric are given nitric oxide.
Select the correct answer from the options given below:
State the gaseous product formed, when
Two gases one of them neutral combines by absorption of light energy.
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) _________ |
| \[\ce{CaCO3(s) + Heat ->}\] (f) _________ | Endothermic Reaction |
Give 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.
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.
