GK Chemistry

Features

• Chemistry is a branch of physical science, is the study of the composition, structure, properties and change of matter.
• Chemistry is chiefly concerned with atoms and their interactions with other atoms - for example, the properties of the chemical bonds formed between atoms to create chemical compounds. As well as this, interactions including atoms and other phenomena - electrons and various forms of energy—are considered, such as photochemical reactions, oxidation-reduction reactions, changes in phases of matter, and separation of mixtures. Finally, properties of matter such as alloys or polymers are considered.
• Chemistry is sometimes called "the central science" because it bridges other natural sciences like physics, geology and biology with each other.Chemistry is a branch of physical science but distinct from physics.
• The etymology of the word chemistry has been much disputed. The origin of chemistry can be traced to certain practices, known as alchemy, which had been practiced for several millennia in various parts of the world, particularly the Middle East.
• This is the general knowledge questions and answers section on "Chemistry" with explanation for various interview,
• competitive examination and entrance exams.

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