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Why li 2 CO 3 decomposed at a lower temperature whereas Na2CO3 at higher temp?
Q. Extraction of f-block element ? As all the lanthanides occur together in nature, their extraction involves two main steps: (i) separation from one another and (ii) reducti
Q. What are Hexahalides? Hexahalides: S, Se-and Te react with excess of fluorine to give the corresponding hexafluorides. Fluorine being the most electronegative oxidises the
A 4-m long curved gate is located in the side of a reservoir containing water as shown in Figure. Determine the magnitude of the horizontal and vertical components of the force of
what are the examples?
Reformatsky reaction - Aldehydes and Ketones Reformatsky reaction has the treatment of aldehyde and ketone along with a bromo acid ester in existence of metallic zinc to form -
Relative strength of the bases (Basic nature of -NH2) The dissimilarity in base strength in several amines can be described on the basis of inductive effect. The +I effect incr
what is avarat sarni
The number of electrons in [ 40 19 k ] -1 is: (1) 19 (2) 20 (3)18 (4)40 Ans: 40
ionization energy vary in 3d seris of d-block elements,how and why
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