How can you mark your name on a glass plate by a simple
chemical method ?
Why is ammonia-ammonium chloride buffer added?
What is Heat of Nutralication ?
What is the white precipitate produced at the end of point?
How many elements have been discovered ?
What is Nutralication ?
Importance of Organic Chemistry to Mankind ?
Why do eye-glasses become fogged, when the wearer comes form the cold outdoors into a warm room ?
Why ph scale range is 14?
Explain the Hard and Soft water ?
What is the difference between fractionation and distillation?
How are specific gravity and density related?
What is the unit of ph?