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प्रश्न
Give a scientific reason:
In some countries, ethanol is used as an additive to increase the efficiency of petrol.
कारण सांगा
उत्तर
- The sugarcane plant transforms solar energy into chemical energy very efficiently. When molasses, obtained during production of sugar from sugarcane, is subjected to fermentation, alcohol (ethanol) is obtained.
- On combustion in sufficient air ethanol gives carbon dioxide and water as the only products. In this way, ethanol is a clean fuel.
- Therefore, in some countries, it is used as an additive to increase the efficiency of petrol. Such a fuel is called gasohol.
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