11th Chemistry Full Portion Question Paper. We covered all the 11th Chemistry Full Portion Question Paper in this post for free so that you can practice well for the exam.
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11th Chemistry Full Portion Objective Question Paper for Students
The freezing point of 0.1 M glucose is -1.86°C. If an equal volume of 0.3 M glucose solution is added, F.P. of the mixture will be
(A) -7.44°C
(B) -5.58°C
(C) -3.72°C
(D) -2.79°C
Option c – -3.72°C
Dissociation of solute in solution
(A) Decreases the number of solute particles.
(B) Increases the number of solute particles.
(C) Solute particles are double.
(D) Solute particles remain the same.
Option b – Increases the number of solute particles
A super-saturated solution is a metastable solution whose concentration
(A) is Equal to the solubility of a substance in a solvent.
(B) Less than the solubility of a substance
(C) Exceeds the solubility
(D) Continuously changes
Option c – Exceeds the solubility
Van’t Hoff factor ‘i’ for dilute aq. solution of Barium hydroxide is
(A) 0
(B) 1
(C) 2
(D) 3
Option d – 3
The mass of urea that is to be dissolved in 100 g of water in order to decrease vapor pressure by 1.8% is
(A) 3.0
(B) 0.6
(C) 6.0
(D) 0.3
Option c – 6.0
A 5% by mass of an aqueous solution of A of molar mass 342 g is isotonic with 0.878% by mass of solution B. The molar mass of B is
(A) 120
(B) 180
(C) 60
(D) 90
Option c – 60
We covered all the 11th chemistry full portion question paper above in this post for free so that you can practice well for the exam.
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