Sodium
Nitrogen
Hydrogen
Neon
Nuclear fallout contains
Nucleotide have same atomic number are called:
Nucleus, the genetic material containing rounded body in each cell, was first discovered in 1831 by
Number of atoms present in one mole of a gas at STP is
Of all micro-organisms, the most adaptable versatile are
Of all the gases present in the air, which one of the following is the highest in percentage?
Of the following particles, the particle having the least mass is
Of the four landmarks of medical history given bellow, which one was the first to take place?
Oils and fats are
Oils and fats are obtained from
