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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।

ChemistryConsider two solutions: the first is 1 mol L−1 and the second is 1 mol kg−1. On what basis are they different?Class 11Chapter 01: SolutionsLevel 3EasyChemistryA solution contains 0.02 g solute in 400 g solution. What is its concentration in ppm?Class 11Chapter 01: SolutionsLevel 3EasyChemistryIf the moles of solute and solvent in a solution are 2 and 3 respectively, what is the mole fraction of solute?Class 11Chapter 01: SolutionsLevel 4EasyChemistry0.1 mol glucose is dissolved in 90 g water. What is the mole fraction of water?Class 11Chapter 01: SolutionsLevel 4MediumChemistryWhich statement about molarity and molality is correct?Class 11Chapter 01: SolutionsLevel 3EasyChemistryWhich concentration term does not change with temperature?Class 11Chapter 01: SolutionsLevel 3EasyChemistry18 g glucose is dissolved in 500 g water. What is the molality of the solution?Class 11Chapter 01: SolutionsLevel 4EasyChemistryWhat volume of 2 mol L⁻¹ stock solution is needed to prepare 500 mL of 0.5 mol L⁻¹ solution?Class 11Chapter 01: SolutionsLevel 4MediumChemistry180 g glucose is dissolved in 90 g water. What is the mole fraction of glucose?Class 11Chapter 01: SolutionsLevel 4MediumChemistryWhat is the mole fraction of ethanol in a mixture of 18 g water and 46 g ethanol?Class 11Chapter 01: SolutionsLevel 4MediumChemistryA water sample contains 0.004 g impurity in 2 kg water. What is the concentration of impurity in ppm?Class 11Chapter 01: SolutionsLevel 4MediumChemistryFluoride concentration in drinking water is 1.5 ppm. What is the approximate mass of fluoride in 2 L water if density of water is taken as 1 g per mL?Class 11Chapter 01: SolutionsLevel 4MediumChemistryIf 2 g potassium chloride is dissolved to make 100 mL solution, what is the mass by volume percentage?Class 11Chapter 01: SolutionsLevel 2EasyChemistry40 mL methanol is used to make 250 mL solution. What is the volume percentage of methanol?Class 11Chapter 01: SolutionsLevel 3EasyChemistryIf 20 mL ethanol and 80 mL water are mixed to form a solution, what volume percentage is assumed?Class 11Chapter 01: SolutionsLevel 3EasyChemistryA solution contains 18 g urea dissolved in 200 g water. What is the approximate mass percentage of urea?Class 11Chapter 01: SolutionsLevel 3EasyChemistryIf 25 g glucose is dissolved in 225 g water, what is the mass percentage of the solution?Class 11Chapter 01: SolutionsLevel 2EasyChemistryThe mole fraction of solute in a solution is 0.3. What is the mole fraction of solvent if there are only two components?Class 11Chapter 01: SolutionsLevel 2EasyChemistryA solution has 15 percent solute by mass. What does this correctly mean?Class 11Chapter 01: SolutionsLevel 2EasyChemistryWhich is the correct definition of molality?Class 11Chapter 01: SolutionsLevel 2Easy