OVERVIEW In our atmosphere, nitrogen is present in a large amount that is 78%. It is also a constituent of many molecules which are essential to our...
INTRODUCTION On our earth, oxygen is the richest element present. In the atmosphere, oxygen is present in the form of elements to the extent of 21%. In...
INTRODUCTION Soap and detergents both are cleansing agents. The substances which remove the dust and, in water have the cleansing action are known as cleansing agents. ...
INTRODUCTION Polymer word is derived from the word which means many units or parts. Polymers are chemical substances that have a high molecular mass because they are...
OVERVIEW Catalyst is a substance that speeds up the chemical reaction. With the help of a catalyst, the interaction of molecules became easy. Everyone in this world...
INTRODUCTION When a metal is attacked by substances around it such as moisture, acids, etc., it is said to be corroded and the process is known as...
INTRODUCTION Everything we see in this universe is made up of a material, that material is termed as matter. It has volume as well as mass. The...
OVERVIEW On earth, carbon is found in various forms. It occurs in elemental form. Mian reservoirs of carbon are the ocean, rocks, atmosphere, petroleum, coal, and carbonates....
INTRODUCTION Carbon is the seventeenth most copious element by mass in the earth’s crust. It is extensively distributed in nature in free as well as in the...
INTRODUCTION pH scale is a scale that is used to measure hydrogen ion concentration in a solution. The p in pH stands for ‘potenz’ in German, which...