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

ChemistryWhen is density required to convert between mass percent and molarity?Class 11Chapter 01: SolutionsLevel 3EasyChemistryA 200 g solution contains 25 percent solute by mass. What is the mass of solute?Class 11Chapter 01: SolutionsLevel 3EasyChemistryA 10% by mass urea solution is made in water. What is the approximate mole fraction of water?Class 11Chapter 01: SolutionsLevel 6MediumChemistry10 g sodium chloride is dissolved in 90 g water. What is the mass percent of sodium chloride?Class 11Chapter 01: SolutionsLevel 4EasyChemistry5 mg of fluoride ions are present in 2 kg of water. What is the concentration in parts per million?Class 11Chapter 01: SolutionsLevel 4EasyChemistry100 mL of 1 M hydrochloric acid is mixed with 200 mL of 0.5 M same acid. If final volume is 300 mL what is the molarity?Class 11Chapter 01: SolutionsLevel 6MediumChemistryWhich concentration unit generally does not change with temperature because volume is not involved?Class 11Chapter 01: SolutionsLevel 3EasyChemistryA 20% by mass glucose solution is prepared in water. What is its approximate molality?Class 11Chapter 01: SolutionsLevel 6MediumChemistry18 g of glucose is dissolved in 200 g of water. What will be the molality of the solution?Class 11Chapter 01: SolutionsLevel 5MediumChemistryIf a question gives grams of solute and millilitres of solution, which concentration term is most direct?Class 11Chapter 01: SolutionsLevel 3EasyChemistryWhich option correctly describes the effect of dilution on molarity?Class 11Chapter 01: SolutionsLevel 4EasyChemistryWhich option gives the correct statement about mole fraction?Class 11Chapter 01: SolutionsLevel 3EasyChemistryA solution contains 2 moles solute and 8 moles solvent. What is the mole percent of solute?Class 11Chapter 01: SolutionsLevel 4EasyChemistry8 g solute is used to prepare 400 mL solution. What is the mass-volume percentage?Class 11Chapter 01: SolutionsLevel 4EasyChemistryHow many moles of solute are present in 200 mL of a 1 M solution?Class 11Chapter 01: SolutionsLevel 4EasyChemistryA solution has 25 total moles and a solute mole fraction of 0.16. How many moles of solute are present?Class 11Chapter 01: SolutionsLevel 2EasyChemistryIf the moles of solute remain the same and the mass of solvent is halved, what happens to molality?Class 11Chapter 01: SolutionsLevel 4EasyChemistryIf both moles of solute and total volume of solution are made three times, what happens to molarity?Class 11Chapter 01: SolutionsLevel 4EasyChemistryIn which situation is ppm most suitable?Class 11Chapter 01: SolutionsLevel 3EasyChemistryWhich statement correctly explains mass-volume percentage?Class 11Chapter 01: SolutionsLevel 3Easy