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Class 12 Mcq

Class 12 Chemistry के इस tag से जुड़े questions। हर question के साथ chapter, topic, level और difficulty दी गई है।

ChemistryIf \(K_b = 0.52\) and \(\Delta T_b = 1.04\), what is the molality of the non-electrolyte solution?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 10EasyChemistryIf 0.1 mole non-electrolyte solute is dissolved in 100 gram water, what is the molality?Class 12Chapter 01: Solutions2: Concentration MetricsLevel 9EasyChemistryIf relative lowering of vapour pressure is 0.2, what is the mole fraction of solute for a non-volatile solute?Class 12Chapter 01: Solutions4: Vapour PressureLevel 9EasyChemistryIf mole fraction of solvent is 0.75 and pure vapour pressure is 200 in a solution with non-volatile solute, what is vapour pressure of solution?Class 12Chapter 01: Solutions4: Vapour PressureLevel 9EasyChemistryIn a solution, moles of solute are (0.1) and moles of solvent are (0.9). What is the mole fraction of solute?Class 12Chapter 01: Solutions2: Concentration MetricsLevel 8EasyChemistryIf i is less than 1, how will the observed colligative property compare with the expected value?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 10EasyChemistryIf i is greater than 1, how will the observed colligative property compare with the expected value?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 10EasyChemistryIf a solution has i = 1, it is closest to which behaviour?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 10EasyChemistryA solution has boiling point \(100.4^{\circ}C\) and pure solvent has boiling point \(100^{\circ}C\). What is \(\Delta T_b\)?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 9EasyChemistryA solution has freezing point \(-0.6^{\circ}C\) and pure solvent has freezing point \(0^{\circ}C\). What is \(\Delta T_f\)?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 9EasyChemistryIf molality is 0.4 and Kf = 2.0, what is ΔTf?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 9EasyChemistryIf 0.2 mole solute is dissolved in 500 gram solvent, what is the molality?Class 12Chapter 01: Solutions2: Concentration MetricsLevel 9EasyChemistryIf 0.1 mole of a non-electrolyte solute is dissolved in 1 kilogram solvent, what is the molality?Class 12Chapter 01: Solutions2: Concentration MetricsLevel 8EasyChemistryWhich method is relatively convenient for determining molar mass of large biomolecules?Class 12Chapter 01: Solutions6: Molar Mass DeterminationLevel 12MediumChemistryIf ΔTb is observed lower than expected, which possibility is more suitable?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 11MediumChemistryIf ΔTf is observed greater than expected, which possibility is more suitable?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 11MediumChemistryIf \(p_1^0 = 120\) and \(p = 108\), what is the relative lowering of vapour pressure?Class 12Chapter 01: Solutions4: Vapour PressureLevel 9EasyChemistryIf pure vapour pressure of solvent is 100 and mole fraction of solvent is 0.8, what is the vapour pressure of solution?Class 12Chapter 01: Solutions4: Vapour PressureLevel 9EasyChemistryWhich statement shows the correct use of Raoult's law?Class 12Chapter 01: Solutions4: Vapour PressureLevel 8EasyChemistryIf mole fraction of solute is (0.05), what is the relative lowering of vapour pressure for a solution with non-volatile solute?Class 12Chapter 01: Solutions4: Vapour PressureLevel 9Easy