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प्रश्न
Give a balanced equation for the following type of reaction:
A catalytic, reversible, exothermic reaction.
उत्तर
\[\ce{2SO2 + O2⇌[V2O5][450°C]2SO3 + \Delta}\]
\[\ce{N2 + 3H2⇌[Fe][450-500°C]2NH3 + Heat}\]
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संबंधित प्रश्न
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 scientific reasons.
While preparing dil. Sulphuric acid from concentrated conc. sulphuric acid in the laboratory the concentrated sulphuric acid is, add slowly to water with constant stirring.
Give an example of the following chemical changes.
A photochemical reaction involving silver salt.
Name a compound which produces carbon dioxide on heating.
Give an example with a balanced equation, of the following reaction:
exothermic reaction
Differentiate between the following:
Electrolytic decomposition and photochemical decomposition.
Respiration is a ______ change.
True or False. If false, give the correct answer.
Tarnishing of silver is an example of endothermic change.
Give examples for the exothermic process.
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.
