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Class 11 Mcq

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

ChemistryWhat is the mole fraction of ethanol in a mixture of 9 g water and 46 g ethanol?Class 11Chapter 01: SolutionsLevel 3MediumChemistry10 g sodium hydroxide is dissolved in 250 mL solution. Molar mass is 40 g per mole. What is the molarity?Class 11Chapter 01: SolutionsLevel 3MediumChemistry12 g urea is dissolved in 200 g water. Molar mass of urea is 60 g per mole. What is the molality?Class 11Chapter 01: SolutionsLevel 3MediumChemistry36 g glucose is dissolved in water to make 400 mL solution. Molar mass of glucose is 180 g per mole. What is the molarity?Class 11Chapter 01: SolutionsLevel 3MediumChemistryWhich concentration term involves formula units per litre of solution?Class 11Chapter 01: SolutionsLevel 1EasyChemistryWhich option can correctly represent the relation between normality and molarity?Class 11Chapter 01: SolutionsLevel 1EasyChemistry8 g sodium hydroxide is dissolved in 200 mL solution. Molar mass is 40 g per mole. What is the molarity?Class 11Chapter 01: SolutionsLevel 3MediumChemistry0.25 mole solute is present in 500 g solvent. What is the molality?Class 11Chapter 01: SolutionsLevel 2EasyChemistryHow many moles of solute are present in 100 mL of 0.1 molar solution?Class 11Some Basic Concepts of ChemistryMole concept and molar massLevel 2EasyChemistryIf molarity and molality can have nearly the same value, when is it approximately possible?Class 11Chapter 01: SolutionsLevel 2MediumChemistryIf mole fraction of solute is 0.4 and total moles are 5, how many moles of solute are present?Class 11Chapter 01: SolutionsLevel 2EasyChemistryWhich option gives the correct meaning of mass percentage?Class 11Chapter 01: SolutionsLevel 1EasyChemistry0.1 mole solute is present in 100 mL solution. What is the molarity?Class 11Chapter 01: SolutionsLevel 2EasyChemistryWhich option gives an incorrect denominator for molality?Class 11Chapter 01: SolutionsLevel 2EasyChemistryWhich option gives an incorrect denominator for molarity?Class 11Chapter 01: SolutionsLevel 2EasyChemistryIf molality is 0.5 mol/kg and the solvent mass is 2 kg, how many moles of solute are present?Class 11Chapter 01: SolutionsLevel 2EasyChemistryIf molarity is 0.25 M and volume is 2 L, how many moles of solute are present?Class 11Chapter 01: SolutionsLevel 2EasyChemistryIf there are 0.2 mole solute and 0.8 mole solvent, what is the mole fraction of solvent?Class 11Chapter 01: SolutionsLevel 2EasyChemistryWhich option correctly shows the preparation of a 2 molal solution?Class 11Chapter 01: SolutionsLevel 2EasyChemistryWhich option correctly shows the preparation of a 2 M solution?Class 11Chapter 01: SolutionsLevel 2Easy

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