Creado por priyajreynolds
hace más de 8 años
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Pregunta | Respuesta |
Chemistry: Evaluate replacing petrol with ethanol as a fuel for cards. (4) | 1. Sugar is a renewable resource (ethanol is made from sugar) 2. Ethanol uses less energy per litre so its more efficient 3. Ethanol is carbon neutral 4. Ethanol is made of a bath process whereas Petrol production is continuos (less emissions) |
Chemistry: What are the advantages of using alloys? | 1. More durable 2. Un-reactive 3. Doesn't corrode |
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