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प्रश्न
Give a balanced equation for the following type of reaction:
A catalytic, reversible, exothermic reaction.
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उत्तर
\[\ce{2SO2 + O2⇌[V2O5][450°C]2SO3 + \Delta}\]
\[\ce{N2 + 3H2⇌[Fe][450-500°C]2NH3 + Heat}\]
APPEARS IN
संबंधित प्रश्न
What do you observe when Ammonia is brought in contact of hydrogen chloride.gas.
Define endothermic reactions. Give two examples of each.
State the effect of an endothermic reaction.
What do you observe when ammonium chloride is dissolved in water.
MULTIPLE CHOICE QUESTIONS
Tick the most appropriate answer.
Heat energy is evolved in these reactions
- Thermal decomposition reactions
- Exothermic reactions
- Endothermic reactions
- None of these
Give an example of the following chemical changes.
A photochemical reaction involving silver salt.
Name a compound which produces carbon dioxide on heating.
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 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 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.
