Haloalkanes and haloarenes are present in our environment. For example, it is said that haloarenes were used as herbicides in the Vietnam war. It helped in defoliating the jungles, thus making it easier to fight in the war. Haloarenes can neither be decomposed nor broken down by microorganisms. Haloalkanes (halogens like chlorine and bromine) are […]
Nelson Mandela and Mahatma Gandhi had a lot of similarities between them. Both the legends lived their whole lives believing in the virtues of non-violence and truth. Introduction In the olden days, facilities were divided among the population on the basis of their skin color. Ranging from the seat reservations in public transport to other […]
The Red Data Book is basically a document which is maintained by a state/nation. It is used for recording and documenting the rare and endangered species of flora and fauna which exist within the boundary of that particular state/nation. Several endangered species and subspecies of plants, fungi and animals are entered in the Red Data […]
It is said that print technology first evolved in China, Japan and Korea. The simple technology was based on the system of hand printing. The impression of the content was transferred by rubbing the paper against a rigid surface with emerged print patterns. The method was used in China from AD 594 for printing books. […]
Introduction Elasticity is the ability of a body to resist a distorting influence and to return to its original size and shape when that influence or force is removed. So, what is Hooke’s law of elasticity? Ok, let’s see. Hooke’s law was formulated by English scientist Robert Hooke. In the 19th century, Robert Hooke was […]
‘Shaheed’ Bhagat Singh was born on September 28th, 1907. The outstanding and unmatchable revolutionary was born in a Sandhu Jat family in Punjab’s Doab district. Bhagat Singh joined the freedom struggle at a very early age. He died as a martyr at the age of only 23 years! Childhood Bhagat Singh is famous for his […]
The human skeletal system has significant functions. It is crucial for our body’s well-being. Anatomical Location The human skeletal system is regarded as the framework of the body. Hence it is located anterior to several organs. The bones which are positioned in the upper part of the body functions as a protective cage for organs […]
What are acids and bases? Acids accept electron pairs, they donate hydrogen protons. Meanwhile, bases donate electrons and accept hydrogen protons. Acids and bases are classified based on their properties as well. The properties comprise pH, taste, texture, reactivity and conductivity. The name ‘acid’ is derived from the latin word acidus, meaning sour. It should […]
Heart is the organ which pumps blood throughout the body through the vessels of the circulatory system. This helps in supplying oxygen and nutrients to the tissues and also helps in removing carbon dioxide and other wastes. The heart is located in the center of our chest. It is placed slightly to the left of […]
