Chemistry
Answer the following in one or two sentences:
(a) What is science?
(b) What is chemistry?
(c) What is a fuel ?
(d) What is Philosopher's stone'?
Chemistry Intro
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Answer
(a) Science is the systematic, ongoing effort by human beings to study, understand and utilise nature for meaningful purposes. This understanding is slowly developed by careful observations and experiments.
(b) The branch of science that deals with the study of the composition and the physical and chemical properties of various forms of matter is called Chemistry.
(c) Fuels are substances which on combustion produce a large amount of heat energy that can be used for various purposes. Example: Cooking gas (LPG), petrol, diesel, etc.
(d) Philosopher's stone is a mythical and magical substance (not an actual stone but wax, liquid or powder). which on heating with a base metal iron or copper would turn into gold, the purest form of matter which would bring wealth, health and immortality.
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