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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।

ChemistryChemical classification of matter is done on which basis?Class 11Some Basic Concepts of ChemistryNature of matterLevel 1EasyChemistryOn which basis is the physical classification of matter made?Class 11Some Basic Concepts of ChemistryNature of matterLevel 1EasyChemistryWhat exists between the particles of matter?Class 11Some Basic Concepts of ChemistryNature of matterLevel 1EasyChemistryWhich state of matter has neither a definite shape nor a definite volume?Class 11Some Basic Concepts of ChemistryNature of matterLevel 1EasyChemistryWhy is air considered matter?Class 11Some Basic Concepts of ChemistryNature of matterLevel 1EasyChemistryIn chemistry, what is called matter?Class 11Some Basic Concepts of ChemistryNature of matterLevel 1EasyChemistryAn electrolyte X₂Y₃ gives how many ions on complete dissociation, and what is i at 50% dissociation?Class 11Chapter 01: SolutionsLevel 20MediumChemistryIf 10 g of a solute dissolved in 500 g of solvent produces a molality of 0.2 mol kg⁻¹, what is the molar mass of the solute?Class 11Chapter 01: SolutionsLevel 18EasyChemistryA 0.1 M solution has an osmotic pressure of 3.69 atm at 300 K. If R = 0.082 L atm K−1 mol−1, what is the van’t Hoff factor i for the solute?Class 11Chapter 01: SolutionsLevel 18HardChemistryWhen 5 g of a nonelectrolyte is dissolved in 250 g of solvent, a 0.2 mol kg⁻¹ solution is formed. What is the molar mass of the substance?Class 11Chapter 01: SolutionsLevel 18EasyChemistryWhich condition is most important when determining molar mass from lowering of vapour pressure?Class 11Chapter 01: SolutionsLevel 18MediumChemistryIf 0.2 mol of a solute has a mass of 12 g, what is its molar mass?Class 11Some Basic Concepts of ChemistryMole concept and molar massLevel 17EasyChemistryA solution contains 2 g of solute and 0.01 mol of the solute. If the solute is non-dissociated, what is its molar mass?Class 11Some Basic Concepts of ChemistryMole concept and molar massLevel 16EasyChemistryIf 5 g of a non-dissociated solute produces a molality of 0.25 m in 0.2 kg of solvent, what is the molar mass of the solute?Class 11Some Basic Concepts of ChemistryMole concept and molar massLevel 16EasyChemistryIf 0.2 g of a substance is dissolved in 100 mL of solution, what volume V in litres should be used in the osmotic-pressure method?Class 11Chapter 01: SolutionsLevel 18EasyChemistryWhy is temperature converted from °C to K in molar-mass determination?Class 11Chapter 01: SolutionsLevel 18EasyChemistryIf 18 g of glucose has a molar mass of 180 g mol⁻¹, how many moles of glucose are present?Class 11Some Basic Concepts of ChemistryMole concept and molar massLevel 18EasyChemistryA 0.010 M solution has a volume of 1 L and contains 1.8 g of solute. What is the molar mass of the solute?Class 11Some Basic Concepts of ChemistryMole concept and molar massLevel 16EasyChemistryIf 5 g of a solute corresponds to 0.050 mol, what is its molar mass?Class 11Some Basic Concepts of ChemistryMole concept and molar massLevel 16EasyChemistryIn that situation, if the mass of solute is 1 g and the amount of solute is 0.01 mol, what is its molar mass?Class 11Some Basic Concepts of ChemistryMole concept and molar massLevel 16Easy