Q. Molar heat of vaporization for propane is

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Q. If we want to obtain crystals from liquid then we do

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Q. Usual shape of crystals of copper sulphate pentahydrate is

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Q. When pressure is increased food is cooked in less

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Q. One form of a crystalline solid can be changed into another form at

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Q. In polymorphism forms of compound are

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Q. London dispersion forces are greater in

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Q. Amorphous solids have solid state properties, but they do not posses

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Q. Energy is released when ions are brought closer to each other having

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Q. Molar heat of vaporization is high for

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Q. Boiling point of water is decreased at mount Everest because it has external pressure of

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Q. Liquid crystals posses

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Q. Angles between lengths in tetragonal system are

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Q. Space between two layers of metals is known as

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Q. Crystal lattice is also known as

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Q. Symmetry is measured at

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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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