• The molar solution of sulphuric acid is equal to :
    N solution
    2N solution
    N/2 solution
    3N solution
  • The % of nitrogen is maximum is :
    urea
    ammonium nitrate
    CAN
    calcium nitrate
  • The volume of 0.1 M KOH solution required to neutralize 20 ml H3PO3 is:
    10 ml
    60 ml
    40 ml
    20 ml
  • Lead nitrate on heating gives lead oxide, nitrogen dioxide and oxygen. This reaction is known as
    combustion
    combination
    displacement
    decompositon
  • The equivalent weight of potassium permanganate in neutral medium will be
    atomic weight
    atomic weight / 2
    atomic weight / 3
    atomic weight / 5
  • If avogadro number NA is changed from 6.022 x 1023 to 6.022 x 1020 mol-1, this would change :
    the mass of one mole of carbon
    the ratio of chemical species to each other in a balanced equation
    the ratio of elements to each other in a compound
    the definition of mass in unit of gram
  • Maximum number of weight of acid is
    18 g water
    18 moles water
    1.8 g water
    18 molecules water
  • 100 ml of an acid in neutralised by 50ml NaOH solution containing 0.2 g NaOH. the concentration of NaOH is :
    0.1 N
    0.05 N
    0.5 N
    0.25 N
  • Molarity is donoted by :
    moles/gms
    gms/litre
    mole/litre
    litre/mole
  • By the chemical combination of 2gm. Hydrogen and 16 gm oxygen, 18 gm of water is formed. Which law
    law of Conservation of energy
    law of constant proportion
    law of multiple proportion
    law of reciprocal proportion