Q. Dipole dipole forces are as effective as covalent bond about

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Q. Different form of solids which have same crystalline forms are called

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Q. System in which no axes and no angle is equal, is called as

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Q. Strength of intermolecular as compared with intramolecular forces is

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Q. Molar heat of sublimation is, when solid

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Q. Bond distance in solid iodine as compared to gaseous iodine is

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Q. Compound which has highest molar heat of vaporization among hydrocarbons is

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Q. Extension of regular three dimensional pattern is a property of

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Q. Shape of crystals of tin oxide and magnesium oxide is

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Q. Fluorine has low value of molar heat of vaporization which is

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Q. Quantity which is increased when liquids are close to boiling points is

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Q. Vapor pressure is measured by taking difference in liquid pressure and

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Q. Polymorphs have different

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Q. Metallic bond theory which was given by Drude was extended by

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Q. Malleability and ductibility is property of

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Q. Liquid crystals have

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Q. Cu, Ag and W are examples of

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Q. Compound or element having cubic crystals is

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Q. Physical form of ionic solids is that they are usually

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Q. Hexagonal packing is also known as

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