Answer Posted / priyanka.r

molarity= wt/mol.wt* 1000/volume(ml)

normality= wt/equivalent wt*1000/volume(ml)

equivalent weight= molecular wt/acidity(or)basisity

example: HCL= MOLARITY&NORMALITY IS SAME
H2SO4= MOLARITY& NORMALITY WILL DIFFER BASED ON
THERE ASIDITY.

Qc interview questions

1792

---

why are measure gas flow " ml " in Gas chromatography

1699

---

before starting analytical method valodation what you checking? and how giving preference to start validation?

858

---

How we choose the mobile phase for method development.?

1268

---

For standardization of volumetric solutions, acceptance limit for concentration is considered as 10% of nominal concentration and %RSD as NMT 0.2% (for appropriate no. of replicates). But , if %RSD has not met, what should be further action?

1959

---

What is related substance by HPLC impurity limits as per USP?

1153

---

what is the procedure for cleaning of lenses of hatr accesory of ftir instrument?

2338

---

how to select short coloum and long coloumn for new molecule

2522

---

How to start the dissolution development for unknown tab?

1734

---

on the basis of bcs class how to proceed the solubility?

830

---

WHICH STANDARD WE USE IN SILICA ANALYSIS IN SILICA-GEL METHOD FOR SOLID SAMPLE

2184

---

Which products will produce when acetic anhydride reacts with Ter-butanol, Sec-butanol, Iso butanol, Dimethylamine etc.

2911

---

For limit test of heavy metals in BP, Method C require that the substance is ignited at a temperature not exceeding 800 °C. Why confines such the temperature?

4131

---

Which parameter require to do for analytical method equivalency?

818

---

for inorganic molecules require to do RS, Assay and disso?

774

---