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In two compounds fixed 10 grams of A combines with 12 grams and 18 grams of B. What is the simple ratio of B masses?

Answer and explanation

Correct answer: 2:3

The masses of B are 12 g and 18 g. Dividing both terms by their greatest common divisor, 6, gives \(12:18 = 2:3\). Therefore, option C is correct. \(3:2\) is the reverse ratio, so it is not correct. Exam tip: reduce a ratio to its simplest form by dividing both terms by their greatest common divisor.

Related tags

ChemistryChemical Combination LawsMultiple ProportionsRatioClass 11StoichiometryLaws Of Chemical CombinationSome Basic Concepts Of Chemistry

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