Question

Power alcohol is a mixture of:
A.80% petrol + 20% benzene + small amount of ethanol.
B.80% petrol + 20% ethanol + small amount of benzene.
C.80% ethanol + 20%benzene + small amount of petrol.
D.50% petrol + 50% ethanol + small amount of benzene.

Answer 1

Hint:When ethanol is used as an additive to motor fuels to act as a fuel for internal combustion of engines, it's called "power alcohol". Gasoline otherwise called petroleum outside of North America is a straightforward, oil determined fluid that is utilized principally as a fuel in inward burning motors.

Complete step by step answer:
Power alcohol is a liquid mixture that contains ${ 80% }$ petrol + ${ 20% }$ ethanol + a small amount of benzene. Ethyl alcohol which is utilized to create power; for instance as an added substance to engine energizes to go about as fuel for an inside ignition motor is called power alcohol. Simply, it is used as a vehicle fuel.
Hence, the correct option is B.

Additional Information:
Nowadays, some countries using alcohol as fuel in internal combustion engines in the form of power alcohol due to following reasons:
1.It is easy to produce.
2.It is eco friendly.
3.It has great thermal efficiency.
4.It is a cleaner fuel that gives rise to only carbon dioxide and water on burning insufficient air(oxygen).
-Advantages of Power alcohol:
1.Ethyl alcohol has great Anti knocking property and its octane number is ${ 90 }$.
2.It has a property of engrossing any traces of water if present in petroleum.
3.Utilization of ethyl alcohol in petroleum decreases our reliance on far off nations for petroleum and recovers unfamiliar money significantly.
4.It is cheaper than petroleum.

Note: The possibility to make a mistake is that you may choose option C. But the amount of ethyl alcohol present is not more than the amount of petrol.