José Protasio Rizal Mercado y Alonso Realonda was a Filipino nationalist, writer and polymath active at the end of the Spanish colonial period of the Philippines. He is considered the national hero of the Philippines.
A homogeneous mixture has a uniform composition and appearance. Individual substances that constitute a homogeneous mixture cannot be visually differentiated. On the other hand, a heterogeneous mixture comprises two or more substances that can be distinctly observed, and even separated relatively easily.