Q. Length b in unit cell is along

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Q. In hexagonal packing balls which are in front of each other, belong to layers third, fifth and

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Q. Ionic crystals can perform

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Q. Acetone in units of degree Celsius has boiling point of

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Q. Enthalpy change of vaporization is greater than enthalpy change of

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Q. One atm temperature is needed to measure

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Q. Heat required to vaporize one mole of liquid is called

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Q. To calculate one gram mole volume of a solid we should know

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Q. Copper and gold crystals are

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Q. Color of tin which exists tetragonal form is

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Q. Crystal system in which all three edges and axes are equal, is called

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Q. Decomposition of compound which is avoided in vacuum distillation is

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Q. Liquids crystals are

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Q. Hydrocarbons having longer chains have high

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Q. Orthorhombic system is also known as

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Q. NaI has value of lattice energy in kilo joule per mole which is

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Q. Ionic solids cannot exist as

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Q. For specific crystalline solids they posses same

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Q. Ions in a crystal lattice are arranged in

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Q. All axes are of unequal length in

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