What is the metal used to extract copper from the solution of copper sulphate?

1048

Define corrosion? : Electrochemistry Corrosion

1077

Why is the color of the indicator drop remains the same at the end point?

1189

What is the difference between a heterogeneous and a homogeneous catalyst? What are some of the advantages of homogeneous catalysts? : Polymer Chemistry

974

Suppose we prepared pH buffer solution in lab.and calibrate against NIST solution, and same shall going to used upto 30 days. is it possible to stable pH and appearance? suggest?

1865

can we Consider the Purity threshold and Purity angle in place of peak purity for the specificity test for method verification

1806

Why only hydroxy naphthol blue indicator is used for standardisation of 0.05M EDTA solution instead of solochrome Black T or Euriochrome Black T indicator which is used for all sample analysis with 0.05M EDTA solution?

2689

in which situation require to use paddle and basket?

700

What is the difference between purge septum flow and column flow in gas chromatography?

2516

What is a cell?

1115

Basic principle of ESI?

2111

pls send me ongc privious entarnace exam papers

2249

Discuss the historical significance of Actinium and its discovery in the context of the periodic table.

656

Explain how do you separate the colors of ink?

927

for which product require to do content uniformity? what is limit of cu?

774