Which of the following torch is used in welding cracked metals?
Sodium blow torch
Hydrogen blow torch
Atomic hydrogen torch
Sodium fluescent torch
C2D2, a deuterium compound, can be prepared by a
Reaction of calcium carbide with deuterium
Reaction of aluminium carbide with deuterium
Reaction of calcium carbide with deuterium oxide
Reaction of aluminium carbide with deuterium oxide
The structure of H2O2 is
Planar
Linear
Spherical
Non-planar
The strength of a 20 volume solution of H2O2 is
30.36 g/L
42.40 g/L
60.71 g/L
74.26 g/L
Ortho and para hydrogen differ in
Proton spin
Electron spin
Nuclear charge
Nuclear reaction
Ordinary hydrogen is
Tritium
Protium
Deuterium
Helium
Which of the following chemical equations represents the auto-protolysis of water?
