Why is the indicator eriochrome black(ebt) shows wine red color at the beginning and blue color at the end?
921Post New General Chemistry Questions
In the calculation of calorific value of any fuel why the latent heat of vap. of water is taken as 587 kj/mol whereas actually it is 540kj/mol?
What are the advantages of conductometric titration over visual or potentiometric titration?
Why is the indicator eriochrome black(ebt) shows wine red color at the beginning and blue color at the end?
What is determining factor in the oxidation reduction reaction?
What is the min constitutes of haematite ore?
Explain the structure of a dna molecule?
Which wavelengths are visible to human eye?
Why do you require laboratory temperature for viscosity determination?
What is photoelectric colorimeter?
What is polar hcl?
What is the metal used to extract copper from the solution of copper sulphate?
Why is ammonia-ammonium chloride buffer added?
Define what is oxidation and reduction reaction?
Why is ammonia solution added while preparing edta solution?
What makes a molecule into organic molecule?