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In Balmer series of hydrogen atom spectrum which electronic transition causes third line: (1) Fifth Bohr orbit to second one (2) Fifth Bohr orbit to first one (3) Fourth
Molecular weight of orthophosphoric acid is M. Its equivalent weight is
describe the steps involved in a sampling operation of a chemical sample
Oxidation Test - Sulphur Sulphur can as well be tested by oxidation test. The organic compound is fused along with fusion mixture (a mixture of sodium carbonate and potass
names for : A , B , C , D , E , F ,..........., X , Y , Z .
Uses of Esters (a) Esters are used as a solvent for oils, fats, cellulose, resins etc. (b) Esters are used in making artificial flavours and essences. (c) Esters are used
Physical properties of Benzaldehyde (a) It is a colourless oily liquid. The boiling point of it is 179° C. (b) Benzaldehyde has smell of bitter almonds. (c) Benzaldehyde
benzoic acid from benzene.i can''t see it clearly
Preparation of dimethylbutan: Procedure: Prepare a mixture of 3,3-dimethylbutan-2-one (trivial name pinacolone; 20.0 g, 0.200 moles), redistilled benzaldehyde (24.0 g,
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
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