[{"id":140097,"question":"If a salt bridge is removed electrode is made from which of the following?","choices":[{"text":"ZnCl<sub>2</sub>","value":"A"},{"text":"CuSO<sub>4</sub>","value":"B"},{"text":"Hg<sub>2</sub>Cl<sub>2</sub>","value":"C"},{"text":"HgCl<sub>2</sub>","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":140096,"question":"When quantity of electricity passed is one faraday then the mass deposited at the electrode is equal to","choices":[{"text":"One gm. atomic weight","value":"A"},{"text":"One gm. equivalent weight","value":"B"},{"text":"Electrochemical equivalent","value":"C"},{"text":"None of the above","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":140095,"question":"Which of the substances Na, Hg, S, Pt and graphite can be used as electrodes in electrolytic cells having aqueous solution?","choices":[{"text":"Na, Pt and graphite","value":"A"},{"text":"Na and Hg","value":"B"},{"text":"Pt and graphite only","value":"C"},{"text":"Na and S only","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":140094,"question":"Which is not a a colligative property?","choices":[{"text":"Osmotic pressure","value":"A"},{"text":"Lowering of vapour pressure","value":"B"},{"text":"Depression of freezing point","value":"C"},{"text":"Elevation of boiling point","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":140093,"question":"The molal elevation constant is the ratio of the elevation in boiling point to","choices":[{"text":"Mojarity","value":"A"},{"text":"Molality","value":"B"},{"text":"Mole fraction of solute","value":"C"},{"text":"Mole fraction of solvent","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":140092,"question":"Which inorganic precipitate acts as semipermeabale membrane?","choices":[{"text":"Calcium sulphate","value":"A"},{"text":"Barium oxalate","value":"B"},{"text":"Nickel phosphate","value":"C"},{"text":"Copper ferrocyanide","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":140091,"question":"The movement of solvent molecules through a semipermeable membrane is called","choices":[{"text":"Electrolysis","value":"A"},{"text":"Electrophoresis","value":"B"},{"text":"Osmosis","value":"C"},{"text":"Cataphoresis","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":140090,"question":"Saturated solution of NaCl on heating becomes","choices":[{"text":"Super saturated","value":"A"},{"text":"Unsaturated","value":"B"},{"text":"Remains saturated","value":"C"},{"text":"None","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":140089,"question":"The osmotic pressure of solution increases if","choices":[{"text":"Temperature is decreased","value":"A"},{"text":"Solution constant is increased","value":"B"},{"text":"Number of solute molecules are increased","value":"C"},{"text":"Volume is increased","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":140088,"question":"Which of the following is a colligative property?","choices":[{"text":"Melting point","value":"A"},{"text":"Osmotic pressure","value":"B"},{"text":"Freezing point","value":"C"},{"text":"Sublimation temperature","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":140087,"question":"In cold countries ethylene glycol is added to water in radiators of cars during winter. It results in","choices":[{"text":"Lowering in b.pt.","value":"A"},{"text":"Reducing viscity","value":"B"},{"text":"Reducing specific heat","value":"C"},{"text":"Lowering in freezing pt.","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":140086,"question":"What happens when isotonic solution of a (mol. wt. 342) and B (mol. wt 60) are put in to communication through semiperme-able membrane?","choices":[{"text":"Transference of solvent from solution A to that of B take place","value":"A"},{"text":"Transference of solvent from solution B to that of A takes place","value":"B"},{"text":"No transference of solvent from solution A to that of B takes place","value":"C"},{"text":"Change in temperature of solutions takes place.","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":140085,"question":"The freezing point of 1 molal NaCl solution assuming NaCl to be 100% dissociated in water in","choices":[{"text":"-1.86<span style=\"color: rgb(34, 34, 34); font-family: &quot;Times New Roman&quot;; font-size: 18px; background-color: rgb(255, 255, 248);\">°C</span>","value":"A"},{"text":"-3.72<span style=\"font-family: &quot;Times New Roman&quot;; font-size: 18px; color: rgb(34, 34, 34); background-color: rgb(255, 255, 248);\">°C</span>","value":"B"},{"text":"+1.86<span style=\"font-family: &quot;Times New Roman&quot;; font-size: 18px; color: rgb(34, 34, 34); background-color: rgb(255, 255, 248);\">°C</span>","value":"C"},{"text":"+3.72<span style=\"font-family: &quot;Times New Roman&quot;; font-size: 18px; color: rgb(34, 34, 34); background-color: rgb(255, 255, 248);\">°C</span>","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":140084,"question":"Which of the following value of<span style=\"color: rgb(34, 34, 34); font-family: &quot;Times New Roman&quot;; font-size: 18px; background-color: rgb(255, 255, 248);\"><i>Δ</i></span>Hf represent that product is least stable?","choices":[{"text":"-94.0 kcal mol<sup>-1</sup>","value":"A"},{"text":"-231.6 kcal mol<sup>-1</sup>","value":"B"},{"text":"+21.4 kcal mol<sup>-1</sup>","value":"C"},{"text":"+64.8 kcal mol<sup>-1</sup>","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":140083,"question":"All the naturally occurring processes proceed spontaneously in a direction which lead to","choices":[{"text":"Decrease of entropy","value":"A"},{"text":"Increase of enthalpy","value":"B"},{"text":"Increase of free energy","value":"C"},{"text":"Decrease of free energy","value":"D"},{"value":"E"}],"correctAnswer":4}]