• which is not  characteristic feature of solid:
    Solids disperse very slowly
    Solids are crystalline in  nature
    volume of solid is definite
    solid has high density and low compressibilty.
  • A match box shows:
    Monoclinic geomatry
    Orthorhombic geometry
    Rhombohedral geometry
    Tetragonal geomerty
  • Coordination number for copper (Cu) is:
    1
    6
    8
    12
  • Which kind of point defect is found in NaCl :
    Frenkel
    Linear
    SChottky
    Impurity
  • the crystal lattice of CaF2 is:
    Face Centred cubic lattice
    Hexagonal close Packing
    Body centred Cubic lattice
    Simple cubic
  • Which metallic oxide is anti-ferromagnetic in nature :
    MnO2
    TiO2
    VO2
    CrO2
  • Which one does not show Frenkel Defect:
    MnO2
    TiO2
    VO2
    CrO2
  • NaCl is conductor of electricity in fused state because it contains:
    Free electrons
    Free Molecules
    Free Ions
    Na and Cl atom
  • Non Crystalline solids are
    Super cooled liquid
    True liquid
    Substance with definite melting point
    True solid
  • density of crystal decrease due to which defect:
    Frenkel defect
    Intermolecular defect
    Schottky defect
    F-centre defect