Why Carbon monoxide is called silent killer?
Carbon monoxide (CO) is a tasteless, odorless and colorless gas, so it can be drawn into the human body undetected while breathing and it gets…
Chemistry
What are the origins of spectrum?
The Origins of spectrum are: i. When sun rays passes through the prism it splits into different colours rays. ii. In an atom, when electron…
Lab preparation of Ammonia
Ammonia (NH3) is the main composite of nitrogen (N) and hydrogen (H2). It is produced by the usual decomposition of animal and vegetable bodies. The…
Why nitrogen and phosphorous are placed in the same group?
Both nitrogen and phosphorous are placed in group VA as they some similarities between them which are discussed below: 1. Electronic Structure: N and P…
Rutherford’s Atomic Model
The main features of Rutherford’s Nuclear model of the atom are: i) In an atom, the entire mass and positive charge are concentrated in a…
The postulates of Dalton’s Atomic Theory
In an attempt on enliven the idea of Democritus, John Dalton; an English scientist produced his idea about the identity and properties of atoms and…
The crystalline structure of NaCl
Lattice Structure of NaCl: In the lattice structure of NaCl, Na+ is surrounded by six oppositely charged Cl– and each Cl– is surrounded by six Na+ forming…
Vapor pressure of liquid
Vapor pressure of liquid: At definite temperature the pressure exerted by vapor above the liquid, which is in equilibrium with the liquid is called the…
Methods of liquefaction of gases
Liquefaction of gases is the procedure by which a gas is transformed into a liquid. For example, oxygen usually occurs as a gas. However, by…
Describe Amagat’s experiment
Amagat’s experiment along with the graph: Regnault, Andrew, Amagat and other scientists proved that real gases do not exhibit ideal behavior or nature. Ideal gas…
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