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The charge on the atom containing 17 protons, 18 neutrons and 18 electrons is: (1) +1 (2) -2 (3) -1 (4)Zero Ans: -1
5H is the most stable, and the least stable isotope is 7H
the density of a gas ''A'' is twice that of gas ''B'' at same temperature.The molecular mass of ''B'' is thrice that of ''A'' .the ratio of the pressures acting on A andB
does hydrogyn react with magnesium
Magnetic property of d block elements
Q. Show the Structure of sulphuric acid? Theoretical considerations require that the reaction be carried out at low temperature and high pressure. However, at low temperature,
100 mol/hr pentane flows through an adiabatic heat exchanger where it is heated isobarically (at 2.5 bar) from 50°C to 250°C. The pentane is heated by contacting pipes filled with
This of the following substances has giant covalent structure: (1) Iodine crystal (2) Solid co 2 (3) Silica (4) White phosphorus A
why is carbon valency four
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