Our mother always warns us not to eat outside, not play in the rain and to wash our hands before we eat, doesn’t she? But why? As a mother, she... View Article
Heat is a very curious form of energy. It helps us stay warm, prepare hot and tasty food but its applications far exceed the domestic uses... View Article
In statistics, the Arithmetic Mean (AM) or called average is the ratio of the sum of all observations to the total number of observations. The... View Article
In Mathematics, algebraic operations on complex numbers are given by four basic arithmetic operations which include addition, subtraction,... View Article
Trigonometric ratios are Sine, Cosine, Tangent, Cotangent, Secant and Cosecant. The standard angles for these trigonometric ratios are 0°, 30°,... View Article
Mechanical waves are classified as longitudinal waves and transverse waves. Some examples of longitudinal waves are sound waves, seismic P-waves,... View Article
Data handling is the method of performing statistical analysis on the given data. What is Data? Why do we need it? Data are individual pieces of... View Article
To succeed in getting the best and the maximum yield from his farm, a farmer has to minimise his crop loss and it demands proper and sustainable... View Article
Jaundice is a disease that causes the yellowish discolouration of the skin, sclerae (white part of the eye) and other mucous membranes.... View Article
2016 Mains GS Paper 2 AnalysisOne of the most important facets of a sound UPSC civil services exam preparation is to go through the previous... View Article
Majority of reactions happen in solutions and so it is important to understand how the amount of substance is expressed when it is present in the... View Article
Vaporization can be defined as the process in which the liquid state changes into the vapour state. As a result of an increase in temperature,... View Article
Water is vital to life. We use it for drinking, washing, cooking, and a number of other human activities. Two-thirds of the earth’s surface... View Article
Calcium is an essential metal for living organisms. Due to its chemical properties, it finds usage in the preparation of alloys as a deoxidizer,... View Article
Benzene is a hydrocarbon with the chemical formula C6H6. It has 6 carbon atoms joined in a ring and has 1 hydrogen atom attached to each of the... View Article
Many acids and bases occur naturally in nature, such as citric acid in fruits like orange, lemon, etc, tartaric acid in tamarind, malic acid in... View Article
“Alcohols are a group of compounds containing one, two or more hydroxyl (-OH) groups that are attached to the alkane of a single bond. These... View Article
We see rocks in our surroundings, from different shapes to sizes. Rocks never remain the same, and they are always changing with time. The Rock... View Article
