What variety of carbon is used for refining purposes ?
What are the electrodes used in potentiometer titration?
explain sour gas?
Explain the Modes of valency ?
Why do you require laboratory temperature for viscosity determination?
From what was Uranium isolated ?
Why we use potassium dichromate in control of absorbance in uv region and copper sulphate in control of absorbance in visible region?
Which is the hottest part of a flame ?
Which is heavier, water or ice ?
What are the advantages of potentiometric titration?
Explain the Properties of Gases ?
what is the difference between vector and tensor?
Why is air removed from the electric lamps ?