Which expands to the greatest, when heated : silids, liquids
or gases ?
Why is alum added to purify water ?
Explain the Molecule?
is urea addition affecting the COD (chemical oxygen demand) & BOD (Biological oxygen demand)level? why?
why helium does not react with other elements?
What is oxy-hydrogen flame ?
Why is the indicator eriochrome black(ebt) shows wine red color at the beginning and blue color at the end?
What makes a molecule into organic molecule?
Acid value defination is numbber milligrams of KOH required to nuetralise the acid present in one gram oil & fats but why not use NaOH for nuetralisation?
What is the difference between caustic soda and washing soda ?
How is the accuracy of the method determined?
can we Consider the Purity threshold and Purity angle in place of peak purity for the specificity test for method verification
What is edta?