why the pH scale range is 0-14?
What is the reaction that occurring between fas and potassium dichromate?
Mention a few important criteria for satisfactory colorimetric analysis.
Why is disodium salt of edta preferred to edta?
Why does water boil above 100 o C in mines ?
What is the basicity/acidity of na2co3
Why is mercuric chloride added?
A balloon constructed in Calcutta during July-August was found to show cracks at most wooden joints when received at Ferozepore in December. What is the probable cause ?
What are the electrodes used in potentiometer titration?
What is polar hcl?
Explain the how to make Alloys?
What is oxy-hydrogen flame ?
What is chemical oxygen demand?