Un-Answered Questions { Chemistry }

How to caluclate %w/v& %w/w ple give examples solids&liquids 10%NAOH W/W 10%W/V- 20%HCL W/W &W/V

2070


what is meaning of wet analysis.

5236


why using HCLO4 in potentiometry?. what are the chacterestics of HCLO4.

3203


iam usig ph buffers merk. manually how to prepare ?

1786


when we talk about change in entropy we consider total entropy means of surround +entropy of system but when we talk about change in Gibss free energy we consider entropy of system.explain with reason.

1526


how to selecet an exact coloumn for an new molecule development by hplc how to select exact salt as buffer for new molecule development by hplc what is the the process to select the mode of saparation of compoundes by hplc what is the use of ph of buffer what is use of buffer,ph,organic phase,ans methods how the molecules get saparated in coloumn,

2047


how to select short coloum and long coloumn for new molecule

1824


Why USP put two methods for tapped density? When I should use each one?

2614


what is turbidimetric titration?Give 2 examples.

1992


In the isomers,enantiomers give the only physical properties present such that no chemical properties present.

1781


mode of absorption in alimentary canal?

1925


how can give the expiry period and restadardisation of volumetric solution

2059


Why purity angle should be less than purity threshold in peak purity

3711


Suppose u have combipack product and u get 2 or more peaks which are other than there placebo then what we can do

1916


What is the principle of Particle size analysis and zeta potential

2045