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Covalent Bond Purely electrostatic attractions between ions are nondirectional, but with increasing covalent character the directional properties of valence orbitals become more
electrolysis laws by michael faraday and how they helped him to find particle nature of electricity??
do bases react with lab glassware?
Ask question #periodic properties #
Q. Show Milk – quality specification? Milk is a whole, clean, fresh lacteal secretion obtained by complete milking of one or more healthy milch animals. Milking is not done 1
preparation reaction of esters
The number of electrons and neutrons of an element is 18 and 20 respectively. Its mass number is: (1) 17 (2) 37 (3)2 (4)38 Ans: 17
Q. Describe Peroxomonosulphuric Acid? It is also known as permonosulphuric acid. It is obtained by the action of chlorosulphuric acid on cold anhydrous hydrogen peroxide :
(i) Illutrate integrated rate law and derive it for first order reaction. (ii) Why coal does not burn by itself in air but once initiated by flame, it continues to burn?
Explain oriental polarisation. Orientational Polarisation: When two different atoms form a chemical bond, one of the two is more probable to part with one or more of valence
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