What compound provide much of the wall's antigenic specificity and thus make it possible to identify gram-positive bacteria by certain laboratory tests

TLS Online TPP Program

#Question id: 20182

#XL - P Chemistry

Which is not true with respect to cathode rays?

TLS Online TPP Program

#Question id: 20183

#XL - P Chemistry

A element M has an atomic mass 19 and atomic number 9. Its ion is represented by

TLS Online TPP Program

#Question id: 20184

#XL - P Chemistry

Which of the following ions has the maximum magnetic moment ?

TLS Online TPP Program

#Question id: 20185

#XL - P Chemistry

The value of the energy for the first excited state of hydrogen will be

TLS Online TPP Program

#Question id: 20186

#XL - P Chemistry

In hydrogen atom, energy of first excited state is -3·4 eV. Find out the K.E. of the same orbit of hydrogen atom

TLS Online TPP Program

#Question id: 20187

#XL - P Chemistry

The energy of the first electron in helium will be