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The mass of an electron is 1.672 * 10 power -24 Kg, 1.672 * 10 power -24 g, 9.106 * 10 power 28 Kg, 9.106 * 10 power -28 g
Isotopes of carbon are 2, 3, 4, 5
The concept of orbit was introduced by J J Thomson, Rutherford, Bohr, Planks
Mendeleef's Periodic Table was based upon Electronic Configuration, Atomic Mass, Atomic Number, Mass Number
Which one is non-polar molecule HCl, HNO3, H2, H2O
Density of water is 1.00 gm/cm-3 (cube), 1.08 gm/cm-3 (cube), 0.108 gm/cm-3 (cube), 0.001 gm/cm-3 (cube)
Which one of the following is a not amorphous solid Rubber, Glucose, Glass, Plastic
Brass is an example of solution Liquid in solid, Gas in gas, Liquid in liquid, Solid in solid
Which is a solution of gas in gas Air, Mist, Fog, Smoke
The oxidation number of Chlorine in KClO3 is +3, +4, +5, +6
The oxidation number of Nitrogen in HNO3 is +3, +5, +2, +6
Melting point of sodium is 95 Celsius, 96 Celsius, 97 Celsius, 98 Celsius
The number of naturally occuring elements is 92, 98, 108, 114
The M-Shell can accommodate maximum number of electrons 2, 8, 18, 32
The scientist presented the concept of orbit around the nucleus is J J Thomson, Rutherford, Bohr, Planks
Which one of the following is not a noble gas Helium, Hydrogen, Neon, Argon
Which type of covalent bond is present in C2H4 Single Covalent Bond, Double Covalent Bond, Triple Covalent Bond, Single and Double Covalent Bond
Which one of the following gas diffuses fastly Hydrogen, Helium, Chlorine, Flourine
The SI Unit of Pressure is N-2m, Nm-2, N-1m-1, Nm
Brass is an example of which one of the following solution Liquid in solid, Gas in gas, Liquid in liquid, Solid in solid
The component of a solution which is present in large quantity is called solute, solvent, solubility, True solution
The oxidation of nitrogen in HNO3 is -3, +5, +6, +3
Which of the following reaction is an oxidation reaction K+ + 1e- --> K, Cl2 + 2e- --> 2Cl, Fe2 --> Fe3 + 1e-, Na+1 + 1e- --> Na
Which one of the following metal is less malleable Iron, Gold, Sodium , Silver