September 2019 ~ GENERAL STUDIES 4 U|FOR ALL COMPETITIVE EXAMS

OXIDATION AND REDUCTION | CHEMISTRY | ~GENERAL STUDIES 4 U

OXIDATION OXIDATION AND REDUCTION The process which involves gain of oxygen or loss of hydrogen or loss of one or more electrons ...

CHEMICAL BONDING CHEMICAL BONDING A chemical bond is a lasting attraction between atoms, ions or molecules that enables the form...

RADIOACTIVITY RADIOACTIVITY | NUCLEAR FISSION,NUCLEAR FUSION Radioactivity was discovered by a French physicist Henry Bacquerel...

ATOMIC THEORY OF MATTER THE STRUCTURE OF THE ATOM 1808,John Dalton gave his atomic theory of matter. According to this theory,...

ELECTRICITY WHAT IS ELECTRICITY When two bodies are rubbed together,they acquire the property of attracting light objects like s...

WAVES WAVES A wave is a form of disturbance which travels through a material medium due to the repeated periodic motion of the p...

PROPERTIES OF MATTER PROPERTIES OF MATTER Physical properties of matter can be observed and tested. They include properties suc...

HEAT HEAT | PHYSICS Heat is a form of energy which produces in us the sensation of warmth.Air is a non-conductor of heat.Heat is ...

GRAVITY GRAVITY The gravitational force of earth is called gravity.i.e., gravity is force by which earth pulls a body towards it...

WORK Work,Energy,Power Work is said to be done,if a force acting on a body is able to actually move it through some distance in ...

MOMENTUM Momentum The momentum of a body is defined as the product of its mass and its velocity Momentum=Mass ✕ Velocity ...