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2015-11-12T13:58:38+05:30

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Cos water is not flammable
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why water is not flammable
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2015-11-12T21:25:19+05:30

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Water does not burn in air taking in oxygen and forming another compound.

carbon, oil,  sulphur, nitrogen  , hydrogen, etc. burn in oxygen to form oxides giving out heat energy and light energy (due to high temperature and due to conversion of energy into light.
 
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but carbon, wood etc. they are inflamable.. they catch fire, they burn with oxygen. There is a chemical reaction taking place. This chemical reaction results in the emission of light energy and heat energy.
why some objects are inflammable
why some objects emit light after burning
you need to know electrons structure in atoms... 11th 12th standard chemistry
Exothermic reactions. Energy gaps in atoms related to electron states. Electron excitation.