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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Q. Anisotropic properties shows variation in

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Q. Bond angle in structure of diamond is

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Q. Maximum deviation in vapor pressure is shown by

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Q. Forms which shows polymorphism are called

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Q. In case of metallic bonds molecular orbital theory is called

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Q. Glass is an example of

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Q. London dispersion forces are present in

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Q. Electron pool theory suggests that electrons loosed by atoms are

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Q. Depressions among two layers of metals are also known as

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Q. Ionic reactions are usually very

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Q. Amorphous word has meaning of

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Q. At 1489 torr boiling point of water, in degree Celsius is

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