Why does a pond of clear water appear less deep than it
really is?
Why has the continuous supply of heat no effect on the rise of temperature after boiling point
Why do eye-glasses become fogged, when the wearer comes form the cold outdoors into a warm room ?
What is modern definition(iupac) of ph?
Why is mercuric chloride added?
What is the purpose of adding urea?
Mention a few advantages of photoelectric colorimetric determination.
Define Atom ?
Explain the Chemical change?
Mention a few important criteria for satisfactory colorimetric analysis.
How BIS Decedied the LSF value 0.66-1.02 with calculation.
How are ph and pka related?
what is acidity of a base?