Q. Boric acid has usually crystal shape, that is

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Q. Another name for covalent solids is

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Q. Bond lengths which are present in diamond are

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Q. Liquid crystals were first observed in

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Q. Very close packing of molecules is a characteristic of

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Q. One of non polar solvent is

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Q. In pressure cooker vapor pressure develops because vapors cannot

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Q. Third angle in hexagonal system of crystals make angle of

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Q. Dipole induced dipole forces occur in molecules, it is having a mixture of

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Q. Between lengths 'a' and 'b' of unit cell angle which exists is

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Q. In breast cancer liquid crystals show

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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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