Q. As compare to metallic and ionic crystals bonding in covalent crystals is

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Q. Molecules looses their perfect alignment due to

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Q. Substances which are solids are

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Q. Boiling point of acetic acid in degree Celsius is

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Q. Solids which in many cases are sublimed easily, are

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Q. In structure of diamond hybridization present in tetrahedron is

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Q. Between melting temperature and clearing temperature, state exist is called

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Q. In a crystal lattice, when size of ion is increased packing of ions become less which are

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Q. Solids in which there is no orderly arrangement are called

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Q. In a suitable temperature liquid crystals are part of

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Q. Dipole-dipole are forces are weakest in

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Q. Zinc forms isomorph with

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Q. Being shapeless is a property of

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Q. ABC ABC arrangement in metals is also called

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Q. Crystalline solids can be recognized by help of their

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Q. Instantaneous dipole -induced dipole forces are also known as

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Q. In hydrogen bonding hydrogen may be bonded with

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Q. Artificially external pressure is increased by use of

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Q. Ionic solids at room temperature usually exist in

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Q. When two crystalline solids exist in same form, phenomenon is called

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