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In the formation of Nacl from Na and cl: (1) Sodium and chlorine both give electrons (2) Sodium and chlorine both accept electrons (3) Sodium loses electron and chlori
Q. Electronic Configuration and Position in Periodic Table? The outstanding feature of the actinide and lanthanide elements is the great similarity in chemical and physical pro
Q. What is Stoichiometry? Ans. As you know a chemical equation is like a recipe. Each of the different ingredients combine in certain ratios to form the end product. The
Physical properties of Iodoform or tri-iodomethane (a) Iodoform is a yellow crystalline solid. (b) Iodoform has a pungent characteristic odour. (c) Iodoform is not solubl
maximum 200 problems
Which of the following ions is not having the configuration of neon: (1) F - (2) Mg +2 (3) Na + (4
Q. Illustrate the Quantum Mechanics? Ans: In 1924, a French scientist named Louis de Broglie proposed another model for the nature of the electrons in atoms. He predicted tha
Full saturation test
Diazomethane has the following composition by mass: 28.57% c ,4.80% h and 66.64% n . The molar mass of diazometane is 42.04 g/mol. Find the molecular formula of diazomethane and dr
How are standard solutions and titrations are prepared in industry?
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