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प्रश्न
\[\ce{2KClO3->[MnO2] 2KCl + 3O2[g] - is a balanced equation.}\]
State why the compound MnO2 is written above the arrow.
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उत्तर
MnO2 is a catalyst in the reaction which does not under go any change and simply increases the rate of reaction is written above the arrow.
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संबंधित प्रश्न
On what basis is a chemical equation balanced?
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\[\ce{Zn + HCl -> ZnCl2 + H2}\]
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\[\ce{2KClO3->[MnO2] 2KCl + 3O2[g] - is a balanced equation.}\]
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| Reactants | Products | Types of chemical reaction | ||
| 1. | MgH2 | → | Mg + H2 | Endothermic |
| 2. | 2H2S + SO2 | → | 3S + 2H2O | Oxidation |
| 3. | CaO + H2O | → | Ca(OH)2 + heat | Exothermic |
| Redox | ||||
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- Na + O2 → Na2O3
- Ca + N2 → Ca3N2
- N2 + H2 →NH3
- CaCO3 +HCl → CaCl2 + CO2 +H2O
- Pb(NO3)2 → PbO + NO2 + O2
