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1. Discuss how such discoveries, technological advancement and breakthroughs were achieved and the person behind this advancement, it can be local or international. 2. List the ma
a hittorf cell fitted with Ag-AgClis filled with HCl solution that contains 0.0003856g HCl/g water. A current of 2 mA is passed for exactly 3 hours. the solutions are withdrawn, we
Rutherford's scattering experiment is related to the size of the: (1) Nucleus (2) Atom (3) Electron (4) Neutron Ans: Nucleus
The number of electrons in [ 40 19 k ] -1 is: (1) 19 (2) 20 (3)18 (4)40 Ans: 40
what is woodwards rule
Electro refining of Copper • Electrolyte - Aqueous copper sulphate solution (acidified) • Cathode - Pure copper metal (thin rod) • Anode - Impure copper metal (thick block) • Disso
Q. What are the Subatomic Particles? Ans: What does the inside of atom look like? Following Dalton's discovery that all matter was composed of atoms, scientists wondered i
Van der Waals repulsions Because severe van der Waals repulsions occur among the tert-butyl groups in compound A at normal bond lengths and angles, the only way for the molecu
markonise and anti markonise
The electron density between 1s and 2s orbital is : (1) High (2) Low (3) Zero (4)None of these Ans:Zero
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