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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
  • Metal present in chlorophyll is :
    Cr
    Co
    Mg
    Fe
  • Rock salt is :
    KCl
    NaCl
    KNO3
    NaNO3
  • Alkali metals belong to the following block in the periodic table :
    s-block
    p-block
    d-block
    f-block
  • Which among the following shows diagonal relationship :
    B and C
    B and Ge
    B and Si
    B and Al
  • Carnalite is :
    MgCl2.6H2O
    KCl
    KCl.MgCl2.6H2O
    LiAl(SiO3)sub>2
  • Alkaline earth metals belong to the :
    s-block in periodic table
    p-block in periodic table
    d-block in periodic table
    f-block in periodic table