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why helium does not react with other elements?
Which element is liquid at ordinary temperature ?
Explain the Isobars?
pH is having unit?
Mention a few advantages of photoelectric colorimetric determination.
Explain the Avogadro?s law
Why do you require laboratory temperature for viscosity determination?
How is water purified on large scale, for drinking ?
Why is heat more oppressive on a damp hot day ?
Why is alum added to purify water ?
What is the principle involved in conductometric titration?
How is the accuracy of the method determined?