AZ Chemistry
What is pH meter? pH meter is an instrument that is used to determine if an object (which is usually a solution) has a pH level of acids, neutral, or even bases. For an object to be categorized as an acid solution, its pH level has to be between 0-6. And object will be categorized […]
Nitrogen is one of the most abundant chemical elements on Earth. It occupies group 15 on the periodic table and has N as its symbol. Scottish physician Daniel Rutherford was the first person who discovered and managed to isolate this chemical element. Jean-Antoine Chaptal, a French chemist, suggested the name nitrogen when found out that […]