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Nitric oxide becomes brown when released into the air
Q. in radioactive decay, a nucleus emits an alpha particle and two beta particle successively. show that the final nucleus is an isotope of original nucleus. Ans: Let the mass and
Q. General Characteristics of the f-block? You know that the 14 elements from cerium (Z = 58) to lutetium (Z = 71), which follow lanthanum (Z = 57) in the periodic table, are k
According to Bohr's principle, the relation between principle quantum number and radius of orbit is: (1) r ∞ n (2) r ∞ n 2 (3) ∞1/n (4) r∞ 1/ n 2 Ans: r
Q. Show Electron Dot Diagrams for Covalent Bonds? Ans. Electron dot diagrams for covalent bonds In covalent bonds, atoms share electrons in such a manner that each atom
The number of electrons in c l - ion is: (1) 19 (2) 20 (3) 18 (4) 35 Ans: 18
Describe the mechanism of ferromagnetism Ferromagnetism is the basic mechanism by which certain materials (like iron) form permanent magnets or/and exhibit strong interactions
Electro refining of Copper • Electrolyte - Aqueous copper sulphate solution (acidified) • Cathode - Pure copper metal (thin rod) • Anode - Impure copper metal (thick block) • Disso
Scale up At this phase, sensory analysis consists of tests that compare the production samples with the optimized product. Depending on the resources available, either consume
Q. Scientific Notation and Dimensional Analysis? Very small and extremely large numbers can be compared more easily when they are converted into a form called scientific notati
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