Q. Least boiling point is of

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Q. Form in which graphite occurs is

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Q. Ammonia has molar heat of vaporization, whose value in kJ/mole is

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Q. 95.5 degree Celsius is a transition temperature for

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Q. Electrical properties of solid iodine include that it is

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Q. Usually covalent crystals have

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Q. Liquid crystals in electrical circuits can be used to determine

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Q. Accurate method of studying of Avogadro's number is study of

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Q. Liquid crystals are usually composed of

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Q. Angle in cubic system between edges is

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Q. Another name for rhombohedral system is

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Q. Lattice energy is decreased when size of anion is

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Q. Energy change is called as enthalpy change, when it occurs at

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Q. Electrical and thermal properties for some crystalline solids depend upon

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Q. Blockages in veins can be detected by use of

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Q. London forces strength is affected by

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Q. Usual habit of crystals of ice is

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Q. Melting and boiling points of ionic crystals are usually

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Q. In crystal lattice ions are arranged in

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Q. Covalent crystalline solids are soluble in

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