Q. Heat change if occurs at constant pressure is called as

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Q. Symmetry of a crystalline solid can be taken along

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Q. Distance between opposite ions in NaCl crystals is

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Q. Lattice energy is measured in kilojoule per mole and its value for NaBr is

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Q. If conditions for growing a crystal are maintained thing which remains same is

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Q. Lattice energy is usually taken for

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Q. Molecule of diamond is also known as

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Q. Compound which has boiling point greater than 100 degree Celsius is

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Q. On basis of arrangement of molecules solids have

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Q. Interstices which are formed by covering of metallic layers are of

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Q. When we measure molar heat of fusion is measured at

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Q. Expression for enthalpy changes is usually in

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Q. Occasionally conductivity of metals decrease with increase in temperature because of movement of

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Q. Shape of crystals of graphite is

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Q. White light shows colors when diffracted by

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Q. Crystalline form of nickel sulphate is

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Q. At normal temperature ionic solids show existence as

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Q. Sodium sulphate has attached water of crystallization which are usually

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Q. Lattice energy of NaCl is

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Q. Temperature in degree centigrade at which Fluorine boils is

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