describe the lewis dot structure of Mg2+?
Why is starch indicator added towards the end point?
What is the white precipitate produced at the end of point?
What is the purpose of adding urea?
What is molality?
Why is mercuric chloride added?
What is chemical oxygen demand?
What is modern definition(iupac) of ph?
What is the role of stannous chloride?
Why is ammonia added? Why is that same amount of ammonia added?
What is equivalent conductivity?
Why ph scale range is 14?
What is wave number?
Mention a few application of cod test in environmental engineering practice.
Explain how buffer works?