Eats or wears way materials through chemical actions

The nuclear fission process releases neutrons and question 27 options: alpha particles electrons energy beta particles

Explain that newton first law,second law and third law of motion?

If a molecule with a molecular formula of c13h18 is treated with an excess of h2 in the presence of finally divided pt metal under conditions required for maximum hydrogenation of the molecule to give a molecule with a formula c13h24, how many rings are in the molecule?