Which of the following shows the masses of three elementary
particles in decreasing order?
1 Mesons, Baryons, Leptons
2 Leptons, Baryons, Mesons
3 Baryons, Mesons, Leptons
4 Leptons, Mesons, Baryons
what is the food constitution of ragi and rice
how is rrb model question paper for science junior engineer gr.II
Which of the following fertilizers leaves acidic residue? 1 Urea 2 Ammonium phosphate 3 Ammonium sulphate 4 None of these
Caustic soda is 1 NaC1 2 Na2CO3 3 NaOH 4 NaHCO3
The purest form of iron is 1 Steel 2 Cast iron 3 Pig iron 4 Wrought iron
21 Answers CIPET, FCI, HCL, JIPMER, NTSE, PSI Data Systems, RRB, SSC,
Bagasse, a by-product of sugar manufacturing industry, is used for the production of 1 Nylon 2 Glass 3 Paper 4 Alcohol
Actinides are the elements with atomic numbers from 1 36 to 43 2 89 to 103 3 97 to 114 4 101 to 115
Who suggested that most of the mass of the atom is located in the nucleus? 1 Thompson 2 Bohr 3 Rutherford 4 None of these
The metal that is present in photo films is 1 Mercury 2 Platimnum 3 Magnesium 4 Silver
difference between ancient age,middle age & modern age.
In an atomic nucleus, neutrons and protons are held together by 1 Gravitational forces 2 Magnetic forces 3 Exchange force 4 Coulombic forces
Which of the following is not a chemical reaction? 1 Burning of paper 2 Digestion of food 3 Conversion of water into steam 4 Burning of coal