Chemicals are essential building blocks for everything in the world. All living matter, including people, animals and plants, consists of chemicals. All food is made up of chemical substances. Chemicals in food are largely harmless and often desirable – for example, nutrients such as car…

The main constituent of petroleum gas is butane that it also contains smaller amounts of propane and erhane. Thus, we can say that petroleum gas ⛽ is a mixture of three hydrocarbons: butane, propane and ethane. Butane, propane and ethane, all burn readily producing a lot of heat. This m…

" Where there is oxidation there is always reduction - Chimestry is essentially a study of redox systems. " Chimestry deals with varieties of matter and change of one kind of matter into the other. Transformation of matter from one kind into another occurs through the various …

Chemistry is the science of molecules and their transformations. It is the science of molecules and their transformations. It is the science not so much of the one hundred elements but of the infinite variety of molecules that is may be built from them... Roald Hoffmann.      Chemistry …