Power alcohol is a mixture of (1) 80% petrol + 20% benzene + small quantity of ethanol(2) 80% petrol + 20% ethanol + small quantity of benzene(3) 80% ethanol + 20% benzene + small quantity of petrol(4) 50% petrol + 50% ethanol + small quantity of benzene

Answer: (2)

Power alcohol is a liquid mixture containing 80% petrol, 20% ethanol and a small amount of benzene. It is useful in the field of automobiles to generate energy for its operations.