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Question

Why blood does not come out when we burn our body

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Solution

Now, when we discuss about heat we should keep In mind that organic and inorganic components may behave different and will give different reactions. Blood is composed of majorly inorganic- water, iron in haemoglobin, carbon dioxide dissolved in the form of bicarbonates, sodium and potassium ions for maintaining ionic potentials, and some traces of ca, mg, s, p in free state. In organic composition we have DNA, RNA lipids, proteins, carbohydrates which contain C,S,H,N,O,P,Fe and some metals or cofactors.

When we burn the blood at high temperature firstly all of the water will evaporate then fee CO2 will evolve or will form some carbonates, calcium will for calcium oxide, nitrogen will form nitric oxide phosphorous and sulphur may evolve in the firm of phosphine and sulphur dioxide(may be neglected as they are in traces) now organic compounds, first of all phosphodiester bonds of nucleic acids, glycoside bonds of carbohydrates and peptide bonds and disulphide bonds of proteins will break forming fragments of molecules now these may either decompose further and give us products as inorganic components gave. or may further undergo several rearrangements or combination reactions forming thermostable aromatic or aliphatic or any other wierd compounds but what we will be left over will be a lot of carbon black with some heavy metals and undesired organic compounds in it.


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