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Describe the following observations: a. Lyophilic colloid is more stable than Lyophobic colloid. b. Coagulation takes place when sodium chloride solution is added to a collo
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
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Two element have electronegativity of 1.2 and 3.0. Bond formed between them would be: (1) Ionic (2) Polar covalent ( 3) Co-ordinate (4) Metallic A ns: Ionic
Q. What is basic need of SI Units? Ans: The Importance of Units Units give numbers a particular meaning. Example: I am 5 feet 10 inches tall. Feet and inches are units. I co
How many octahedral and tetrahedral voids are present in HCP? Ans) octa -no of atoms prsnt ,nd tetra -twice of it.
what is the stability order of Li2, H2, B2 B.O of Li2 is 1 B.O of H2 is 1 B.O of B2 is also 1 so for stability order u need to see the no of electrons in antibonding orbitals mo
When an electron drops from a higher energy level to a low energy level, then: (1) Atomic number decreases (2) Energy is absorbed (3) Atomic number increases (4) Energ
Why is Zinc not extracted from ZInc oxide throgh reduction with CO?? Ans) Reducing agent should have more negative ΔG value. In case of zinc oxide ,Zn has more negative ΔG value t
Conversion of phenol to salicyclic acid
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