Television
Tube light
Cooking gas
Refrigerator
PVC is obtained by the polymerisation of
Quartz is made of
Radioactive isotope of hydrogen is
Radon is formed in the alpha decay of _.
Rate of diffusion of a gas is
Rectified spirit is:
Regarding the atom of a chemical element, magnetic quantum number refers to
Roxarsone, an arsenic containing nitrophenol is used as
Rusting of iron takes place due to
Rutherford’s scattering experiment proved the presence of