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Definite Proportions

Class 11 Chemistry के इस tag से जुड़े questions। हर question के साथ chapter, topic, level और difficulty दी गई है।

ChemistryWhich law states that a pure compound always contains the same elements in a fixed ratio by mass?Class 11Some Basic Concepts of ChemistryLaws of chemical combinationEasyChemistryWhich statement correctly gives the scope of the law of definite proportions?Class 11Some Basic Concepts of ChemistryLaws of chemical combinationEasyChemistryIf two samples of a pure compound have ratios 20:25 and 4:5 what is the conclusion?Class 11Some Basic Concepts of ChemistryLaws of chemical combinationEasyChemistryIn a compound, the mass ratio A:B is 11:2. If the mass of A is 44 g, what is the mass of B?Class 11Some Basic Concepts of ChemistryLaws of chemical combinationEasyChemistryIn a pure compound, the mass ratio A:B is 10:3. If the total mass is 65 g, what is the mass of B?Class 11Some Basic Concepts of ChemistryLaws of chemical combinationEasyChemistryWhich is not an example of a substance with a definite composition?Class 11Some Basic Concepts of ChemistryLaws of chemical combinationEasyChemistryWhich statement correctly describes the composition of a pure compound?Class 11Some Basic Concepts of ChemistryLaws of chemical combinationEasyChemistryWhich law explains why pure zinc sulfide (ZnS) always has a fixed mass ratio of zinc to sulfur?Class 11Some Basic Concepts of ChemistryLaws of chemical combinationEasyChemistryIn every pure sample of Al₂O₃, the mass ratio of aluminium to oxygen is the same. Which law does this illustrate?Class 11Some Basic Concepts of ChemistryLaws of chemical combinationEasyChemistryWhich option has all clues in correct order?Class 11Some Basic Concepts of ChemistryLaws of chemical combinationEasyChemistryTwo samples have ratios 12:18 and 2:3. Do they agree with definite proportions?Class 11Some Basic Concepts of ChemistryLaws of chemical combinationEasyChemistryIf the mass ratio of hydrogen to oxygen in water is 1:8, how much oxygen is needed for 3 grams of hydrogen?Class 11Some Basic Concepts of ChemistryLaws of chemical combinationEasyChemistryIn a pure compound, the mass ratio A:B is 3:4 and the total mass is 28 grams. What is the mass of A?Class 11Some Basic Concepts of ChemistryLaws of chemical combinationEasyChemistryWhich statement is correct about definite proportions?Class 11Some Basic Concepts of ChemistryLaws of chemical combinationEasyChemistryPure water obtained from different sources always contains hydrogen and oxygen in the same mass ratio. Which law does this illustrate?Class 11Some Basic Concepts of ChemistryLaws of chemical combinationEasyChemistryIn different samples of pure Na₂O, the percentage of elements remains the same. Which law is this?Class 11Some Basic Concepts of ChemistryLaws of chemical combinationEasyChemistryIn different samples of pure CH₄, the percentage of elements remains the same. Which law is this?Class 11Some Basic Concepts of ChemistryLaws of chemical combinationEasyChemistryIn different samples of pure K₂O, the percentage of elements remains the same. Which law is this?Class 11Some Basic Concepts of ChemistryLaws of chemical combinationEasyChemistryIn different samples of pure CaCl₂, the percentage of elements remains the same. Which law is this?Class 11Some Basic Concepts of ChemistryLaws of chemical combinationEasyChemistryIn a pure compound the mass ratio A:B is 9:11 and total mass is 60 grams. What is the mass of B?Class 11Some Basic Concepts of ChemistryLaws of chemical combinationEasy

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