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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
  • Hydrogen gas is prepared by the reaction of dil H2SO4 with :
    Cu
    Zn
    Ag
    Hg
  • Number of neutrons in the nucleus of Deuterium
    zero
    one
    two
    three
  • Number of isotopes of hydrogen :
    One
    Two
    Three
    Four
  • Number of group of hydrogen in modern periodic table is :
    First
    Second
    Zero
    Seventh