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Chemistry in daily life Bio molecules Polymers Environmental chemistry Nitrogenous compound Aldehyde and ketone Alcohol and phenol Halo alkane Hydrocarbon Basic concept of organic chemistry Coordination chemistry d&f block element p-block element part 3 p – block element part 2 p-block element part 1 s-block element Hydrogen Principal of extraction of metal Surface chemistry Chemical kinetics Electro chemistry Solution Chemical equilibrium Thermodynamics State of matter Chemical bonding Classification of element Atomic structure Basic concept of chemistry
  • Alkali metals acts as :
    Oxidant
    Reductant
    Water dissociative
    None of the above
  • Method of extraction of gold from natural gold is :
    Aluminium reduction
    carbon reduction
    electrolytic reduction
    by formation of complex salt
  • Extraction by the process of electrolysis is :
    For aluminium
    for alkaline earth matels
    for alkali metals
    All the above
  • Function of flux in the smelting of ore is :
    to make reduction easy
    precipitation of slag
    removal of gangue
    making the ore porous
  • Flux used in the extraction of iron is :
    Silica
    Felspar
    Limestone
    Flint