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प्रश्न
State why high temperatures in internal combustion engines release pollutant – oxides of nitrogen.
उत्तर
In internal combustion engines combustion occurs with air drawn in. Air in a combustion chamber and this air drawn from the atmosphere contains 80% nitrogen.The nitrogen combines with oxygen at high temperature producing oxides of nitrogen.
N2 + O2 → 2NO [at high temp.]
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