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Which option shows the correct habit for final answer checking?

Answer and explanation

Correct answer: Simplify the ratio and match the unit with the rule

In questions based on laws of chemical combination, check whether the calculated masses or ratios are in the simplest whole-number form and whether the unit is appropriate for the question. Therefore, option A is the correct final-checking habit. Ignoring the mass of a gas is incorrect because it may be part of the reaction calculation. Exam tip: before finalising an answer, recheck the ratio, unit, and calculation.

Related tags

Chemical Combination LawsStoichiometryRatio CalculationUnitsAnswer CheckingLaws Of Chemical CombinationSome Basic Concepts Of ChemistryChemistry

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