Which of the following statements are correct?

Options

A. The temperature at which a real gas behaves like an ideal gas at lower range of pressure is called Boyle temperature `(T_(B))`.
B. `underset(P rarr 0)lim[(delta PV)/(delta P)]_(T)=0` at Boyle's temperature.
C. `PV=(a)/(Rb)` for van der Waals' gas
D. `R=5.28 xx10^(19)` eV/K/mol

Answer

B, C, D