Food Adulteration, its types and hazards on human life
Food adulteration is the intentional addition of non-permitted foreign matter in food which increases the volume and weight of food. This helps increase volume of […]
Chemistry
Tollen’s test or Silver mirror test: Principle, Requirements, Procedure, Result Interpretation and Limitations
Tollen’s test is a chemical test used to distinguish reducing sugars from non-reducing sugars. It is also known as silver mirror test since free silver […]
Electronic configuration and General properties of d- Block elements or Transition elements
The elements in which last electron enters the d- subshell of the penultimate (second outermost) energy level are called d-block elements. In other words, d- […]
Radioactivity (Radioactive decacy), its types and properties of different radioactive rays
The naturally occurring elements like Uranium, Polonium, Radium etc. constantly undergo a spontaneous change with the emission of different radioactive rays. This phenomenon of emission […]
Benedict’s Test: Principle, Requirements, Procedure and Result Interpretation
A sugar consists of an anomeric carbon to which a functional group is attached. If the anomeric carbon consists of aldehyde as a functional group, […]
Ligand and its types in a Co-ordination or Complex compound
A compound in which a metal atom or ion is co-ordinated to two or more anions or neutral molecules is called co-ordination or complex compound. […]
Ionization potential, factors affecting ionization potential and its periodic variation
When heat is applied to an atom, the electrons absorb energy, and jump to the higher energy levels. If this process is continued, a stage […]
Element cards of first 20 elements
ELEMENT : HYDROGEN SYMBOL: H ATOMIC NUMBER: 1 ATOMIC MASS: 1 amu ELECTRONIC CONFIGURATION: SHELL K L M N NO. OF ELECTRONS 1 – – […]
Language of chemistry
Chemistry: Branch of Science which deals with the study of matter, its composition and properties Matter: anything that occupies space and has mass e.g. stone, […]
Fire extinguisher and its working mechanism
A fire extinguisher is a protective device which is red in color and is used to extinguish fire. Red is the color associated with both danger and fire and […]