Which of the following chemical equations represents the auto-protolysis of water?
Hydrogen burns in air with a
Yellow flame
Green flame
Light bluish flame
Both '1' and '2'
Hydrogen peroxide is prepared in the laboratory by
Passing CO2 into BaO2
Adding PbO2 into KMnO4
Adding MnO2 to dil H2SO4
Adding Na2O2 to cold water
Which of the following pair of substances on reaction, can not evolve hydrogen gas?
Iron and H2SO4
Iron and steam
Copper and HCl
Sodium and ethyl alcohol
The major product of the reaction between barium peroxide and sulphuric acid is
Oxygen
Hydrogen
Barium oxide
Hydrogen peroxide
Which of the following compounds acts as a bleaching agent?
MgCO3
NaOH
H2O2
D2O
Which of the following is used in the study of mechanism of various chemical and metabolic reaction of our body?
Tritium
Protium
Deuterium
Fullerence
Ortho and para hydrogen differ in
Proton spin
Electron spin
Nuclear charge
Nuclear reaction
