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The color in KMnO4 arises from an electronic transition, but it is actually not a d-d ... When the light is reflected (or transmitted) it is missing the frequencies of the light absorbed, and so it looks pink.
Uncertainty in position of a 0.25 g particle is 10 -5 . Uncertainty of velocity ( h = 6.6 x 10 -34 Js) is: (1) 1.2 x 10 34 (2) 2.1 x 10 -29 (3) 1.6 x 1
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
Ask question #Minimum 100 words accepted Is there a sequential move from one to another, amongst law, theory, and a hypothesis? Describe controlled conditions to find a scientific
Q. Show the Isolation of Important Transition Metals? Involved in the extraction of metals. Describe the extraction of important transition metals of the first transition serie
result for confirmatory test for cations?
find the equlant mass of 2M HCL?
Give one significant use of each of the following: (i) Bithional (ii) Chloramphenicol (iii) Streptomycin (iv) Paracetamol
which is the main postulate of bohr''s model of atom
difference between ion and free radicals ?
The tar command was invented to backup directory trees to magnetic tape. The name is short for 'tape archive´. A directory tree is a branching structure, b ut a magnetic tape is a
Mostly compounds of d block elements exibitcolour dueto d-d transistions between partially filled eg and t2gbut the reason for colour of KmnO4 and K2Cr2O7 is due to partial chanrge transfer between central atom and oxygen which causes colour
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