In what way is the planet uranus unique

It is unique for many many ways: 
1.)Unlike the other planets of the solar system, Uranus is tilted so far that it essentially orbits the sun on its side, with the axis of its spin nearly pointing at the star. This unusual orientation might be due to a collision with a planet-size body, or several small bodies, soon after it was formed

The answer is b on plato.

Talc (french chalk) is the ingredient