About GENERAL-SCIENCE
Following are some of the multiple choice questions on the SOLUTIONS with answers that will help the students in developing their knowledge.
(1)Acetone and carbon disulphide form binary liquid solution showing positive deviation from Raoult’s law. The normal boiling point (Tb) of pure acetone is less than that of pure CS2. Pick out the incorrect statement among the following-
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(2)An antifreeze solution is prepared from 222.6 g of ethylene glycol C2H4(OH)2 and 200 g of water. Calculate the molality of the solution. If the density of this solution be 1.072 gmL-1 , what will be the molarity of the solution?
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(3)When mercuric iodide is added to the aqueous solution of potassium iodide, the:
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(4)The molal elevation constant depends upon
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(5)The osmotic pressure of a solution is directly proportional to
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(6)Which of the following aqueous solutions containing 10 g of solute in each case, has highest m.p.?
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(7)Equimolar solutions in the same solvent have-
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(8). The average osmotic pressure of human bloood is 7.8 bar at 37°C. What is the concentration of an aqueous solution of NaCl that could be used in blood stream?
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(9)Which of the following is incorrect for an ideal solution?
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(10)Low concentration of oxygen in the blood and tissues of people living at high altitude is due to-