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Which of the following statements about a balanced chemical equation is incorrect?

Answer and explanation

Correct answer: Chemical formulae are changed to balance the equation.

In a balanced chemical equation, the number of atoms of each element is equal on both sides, so it follows the law of conservation of mass. Only the coefficients written before chemical formulae are changed during balancing. Changing a chemical formula changes the identity and composition of a substance; therefore, option A is incorrect.

Related tags

ScienceClass 10Chemical ReactionsBalanced EquationsConservation Of Mass

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