Chemistry Suggestion and Question Patterns of HSC Examination 2015-5

Chemistry Suggestion and Question Patterns of HSC Examination 2015. Chemistry, a branch of physical science, is the study of the composition, properties and behaviour of matter. Chemistry is concerned with the atoms and their interactions with other atoms, and in particular with the properties of the chemical bonds. The chemistry is also concerned with the interactions between the atoms (or groups of atoms) and various forms of energy (e.g., photochemical reactions, changes of phases of matter, the separation of mixtures of polymers, properties, etc)

Chemistry Suggestion and Question Patterns of HSC Examination 2015-5

Model Question No. 5

A rudimentary chemical theory chief arose in Old-style Greece with the theory of four rudiments as advocated finally by Aristotle stating that that fire, air, earth and water were the fundamental elements since which everything is shaped as a mixture. Greek atomism times back to 440 BC, ascending in works by theorists such as Democritus and Epicurus. In 50 BC, the Classical theorist Lucretius lengthened upon the theory in his book De rerum natura (On the Nature of Things). Different modern concepts of science, Greek atomism was chastely logical in nature, with slight anxiety for experiential comments and no anxiety for biochemical trials.

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