Rutherford was always curious in knowing about the arrangement of electrons in an atom. By performing an experiment using alpha particles and... View Article
Protons are the positively charged particles which are present in the nucleus of an atom. An atom is composed of protons, electrons, and... View Article
The mole concept is a convenient method of expressing the amount of a substance. Any measurement can be broken down into two parts - the... View Article
Atoms are defined as "the basic building blocks of matter". Atom is the basic of all matter. They are very small and consist of even tinier... View Article
Synthetic fibres are made only from polymers found in natural gas and the by-products of petroleum. Synthetic fibres are man-made fibres, most of... View Article
Introduction: Mixture When two or more elements or compounds mix together, not necessarily in a definite ratio and do not interact chemically,... View Article
Compounds Elements FAQs Elements and compounds are the two forms in which pure substances exist. Elements - Elements constitute the simplest... View Article
As we know, motion is the phenomenon in which an object changes its position. Motion is represented in terms of displacement, distance, velocity,... View Article
Water has the capability to exist in three states. In solid-state, it exists as ice, in the liquid state as water and in the gaseous state as... View Article
We are aware that silk is made by silkworms. An organic protein fibre that can be woven into textiles is silk. Fibroin, the protein fibre that... View Article
According to Euclid’s Division Lemma if we have two positive integers a and b, then there exist unique integers q and r which satisfies the... View Article
You can download the UPSC question paper 2013 PDF from the links given further below in this article. These will help aspirants get a better... View Article
The UPSC Civil Services Exam is conducted in three stages- Prelims, Mains and Interview. Aspirants need to choose one optional subject for UPSC... View Article
The UPSC Civil Services Exam is conducted in three stages- Prelims, Mains and Interview. Aspirants need to choose one optional subject for UPSC... View Article