Final answer:
One physical property of synthetic fuel is its viscosity, which refers to the thickness or resistance to flow. Synthetic fuels are typically more viscous than conventional fuels like gasoline or diesel.
Step-by-step explanation:
One physical property of synthetic fuel is its viscosity. Viscosity refers to the thickness or resistance to flow of a fluid. Synthetic fuels are typically more viscous than conventional fuels such as gasoline or diesel.
For example, biodiesel is a type of synthetic fuel that is made from vegetable oils or animal fats. It has a higher viscosity than petroleum diesel, which means it is thicker and flows more slowly.
Viscosity can affect the performance and use of synthetic fuels. It can impact how easily the fuel can be transported, stored, and used in engines.