Acid value definition is number milligrams of koh required to nuetralise the acid present in one gram oil & fats but why not use naoh for nuetralisation?
What is the role of mercuric sulphate?
What is mineral water?
What is the formula you will use to calculate how many millilitres of 5.5 m naoh are required to prepare 400 ml of 1.5m naoh?
What is dextro-rotatory and levo-rotatory?
What forms the basis for colorimetric determination?
What is the chemical formula of alum?
Why is acetone used for cleaning viscometer?
Why titration in which hcl and h2so4 is use?
Why ph scale range is 14?
Why is sulphuric acid added during the preparation of standard fas solution?
What is the metal used to extract copper from the solution of copper sulphate?
When a glass rod is heated gradually and suddenly dipped in cold water, it cracks. What is the reason?? When a cool glass rod is suddenly heated, it cracks. Why?
What is buffer?
Why is ammonium hydroxide added to the brass solution?
