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What problem occurs if subscripts are changed while balancing an equation?

Answer and explanation

Correct answer: Identity of the substance changes

A subscript is part of a chemical formula and specifies the ratio of atoms in one molecule or formula unit. Changing H₂O to H₂O₂, for instance, changes water into hydrogen peroxide, a different substance. During balancing, only coefficients placed before formulae may be changed because they alter quantities without changing identities. Hence, changing subscripts causes the problem stated in option A.

Related tags

ScienceClass10Chemical-ReactionsBalancing-EquationsSubscriptsCoefficientsChemical Reactions And EquationsChemical Substances – Nature And Behaviour

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