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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
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
Which of the following is a major rivers in Bangladesh which is also the main distributary of the Ganges?
(D) PadmaShow Answer
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
Option d – 3
Which of the following is the leading producer of rice?
(D) CubaShow Answer
The mass of urea that is to be dissolved in 100 g of water in order to decrease vapor pressure by 1.8% is
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
Option c – 60
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