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Theories of origin of petroleum : Theories should describe the following characteristics related with petroleum, Its association along with brine or sodium chloride solution. T
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
list the advantage and disadvantage teaching methods in chemistry
Physical properties of Tri-halides (i) Tri-halides is a sweet smelling colourless liquid. (ii) Tri-halides is heavy liquid. The density of it is 1.485. It boils at 61°C.
advantages and disadvantages of surfaces tension
Aromaticity or aromatic character The characteristic behaviour of aromatic compounds is termed as aromaticity. Aromaticity is due to the extensive delocalisation of p-electron
what are the different types of method for the preparation of DDT?
Acidic nature of monocarboxylic acids (1) Cause of acidic nature (a) A atom of carboxylic acid may be illustrated as a resonance hybrid of the following structures.
Nucleus - Nomenclature of simple aromatic compounds The benzene ring denoted by regular hexagon of six carbon atoms along with three double bonds in the alternate positions is
Which of the following configuration is correct for iron : (1) 1s 2 , 2s 2, 2p 6 , 3s 2 , 3p 6 ,, 3d 5 (2) 1s 2 , 2s 2 , 2p 6 , 3s 2 ,3p 6 , 4s 2 , 3d 5 (3)
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