Why we use DPPH in ESR and DPH in fluorescence spectroscopy?
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composition of gun metal
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How would you use a colorimetre to find the concentration ofgreen complex ion in solution?
In pickling process of titatium with HCL . how to know if the acid is not effective after pickling several batch. is there any test to know it. (not practically)
Why pH limited in between 1 to 14
what is the formulae of gypsum.
Why d-block elements are called outer while f-block elements are called inner transition elements?????????
write short note on steroids,terpenes,prostagladins,and phospholipids.
who is the fhater of chemistry?
Give the IUPAC name. i) [Co(NH3)5SO4]Cl ii) [Co(NH3)5Cl] SO4 iii) [CoCl.CN.NO2.(NH3)3]
What modification is required for the atomic theory in order to explain the existence of isotopes, and modern view of atomic nuclei and electrons?
What is an enantiomer?
Which is a homogenous mixture, NaOH solution or H2O?