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Fixed 2 grams A combines with 5 grams and 10 grams B. What simple ratio is obtained?

Answer and explanation

Correct answer: 1:2

For the fixed 2 g of A, the masses of B are 5 g and 10 g. Their ratio is 5:10, which simplifies to 1:2 on dividing both terms by 5. Option 2:1 is the reverse ratio, so it is incorrect. Exam tip: always reduce a ratio by dividing both terms by their greatest common factor.

Related tags

ChemistryLaw Of Multiple ProportionsChemical CombinationMass RatioClass 11Laws Of Chemical CombinationSome Basic Concepts Of ChemistryClass 11 Mcq

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