Lithium: Behaviour of Lithium
What is Lithium Lithium is an element. It derived from “lithos” the Greek word for stone, because it is present in trace amounts in virtually… Read More »Lithium: Behaviour of Lithium
Chemistry
Co-ordinate covalent bond
Coordinate covalent bond (dative bond) is a special type of covalent bond. It is proposed by Sidgwick. It is formed by the sharing of electrons… Read More »Co-ordinate covalent bond
Diborane Structure
Orbital structure of Diborane : Diborane has less number of electrons than required for the formation of normal bonds between the atoms. Thus, diborane is… Read More »Diborane Structure
Hydrogen as fuel
Hydrogen as fuel : The heat of combustion of hydrogen is high and hence hydrogen is widely used as an industrial fuel. Oxyhydrogen blow torch… Read More »Hydrogen as fuel
What is Hard Water? Hardness of Water
The hardness of water is the amount of dissolved calcium and magnesium in the water. Hard water is high in dissolved minerals, largely calcium and… Read More »What is Hard Water? Hardness of Water
Isolation of noble gases
Isolation of noble gases : Noble gases are present in the air. Isolation of Noble gases mainly occur in two steps. Separation of Noble gas… Read More »Isolation of noble gases
Preparation of Water Gas
Water gas is a kind of fuel gas, a mixture of carbon monoxide and hydrogen. It is produced by “alternately hot blowing a fuel layer [coke] with air and gasifying… Read More »Preparation of Water Gas
Difference Between Diamond and Graphite
What is the Difference between diamond and graphite : Diamond and Graphite are the crystalline allotropes of carbon. Difference between diamond and graphite : Diamond… Read More »Difference Between Diamond and Graphite
Discovery of Noble Gases
The Discovery of Noble gases took place in a period of one century (1795 – 1898). Ramsay and Rayleigh were awarded the Nobel prize for… Read More »Discovery of Noble Gases
Preparation of NaOH by Castner Kellner process
Preparation of NaOH by Castner Kellner process : Castner Kellner process is also called as Mercury cathode process. The chemical formula of Sodium hydroxide is NaOH. Sodium hydroxide is… Read More »Preparation of NaOH by Castner Kellner process