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At the same temperature and pressure gas volumes are 11 litres 22 litres and 33 litres. What is the simplest ratio?

Answer and explanation

Correct answer: 1:2:3

The direct answer is D: 1:2:3. The given ratio is 11:22:33. The greatest common divisor of all three numbers is 11. Divide each term by 11: 11 ÷ 11 = 1, 22 ÷ 11 = 2, and 33 ÷ 11 = 3. Thus the simplest ratio is 1:2:3. Option A is the unsimplified original ratio. Option B, 3:2:1, reverses the order and is not equivalent to the given ratio. Option C, 1:6:1, does not preserve the original relationships. Option D is correct because multiplying it by 11 reproduces 11:22:33 exactly. A ratio is simplified by dividing every term by the same common factor, never by changing the order or dividing terms by different numbers. Exam cue: when all values are multiples of the smallest value, divide by that value.

Related tags

ChemistryLaws-Of-Chemical-CombinationClass-11

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