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MEDIUMMCQ SINGLEJEE Advanced ChemistryPhysical ChemistryMole _ Equivalent ConceptChemical Equations and Stoichiometry

Which of the given reactions are counted as balanced reactions? (a) H +O 2H O → (b) 4Al+3O 2Al O → (c) Mg OH +2HNO 2Mg NO +2H O → (d) N +3H NH → Ans. (b) Sol. Al O Al O → is a balanced reaction because the number of atoms of different elements on both sides is equal. The correctly balanced equations of the rest are ; H O H O → Mg OH HNO Mg NO → 2H O and . N H NH →

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