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Q. Show the Chemical Properties of Group 13? Elements of Group 13 are comparatively less reactive than the alkali and alkaline earth metals of Groups 1 and 2 However, the +acti
Why magnesium does not impart any colour to Bunsen flame while calcium does
a) Describe why not all of the organic matter in wastewater is converted to carbon dioxide and water in biological treatment. b) What is the importance of the BOD in the charact
Q. What is Oxidation Numbers? Ans. Chemists find it useful to describe the oxidation states of an element by means of oxidation numbers. The oxidation number of an element
onductomerty
Problem 1: What do you meant by Gas Chromatography? Show the quantitative applications of gas chromatography. Definition of Gas Chromatography Briefly explain about Q
Polymer Polymers are compound of extremely high molecular masses made by the combination of a large number of simple molecules. The simple molecules that combine to offer po
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
Examples of amperometric titrations
An element has the electronic configuration 1s 2 , 2s 2, 2p 6 , 3s 2 , 3p 2 . Its valency electrons are: (1) 6 (2) 2 (3) 3 (4)4 Ans: 4
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